Guide for Authors




– The journal publishes manuscripts that report original scientific results and ideas.

– It is highly recommended that the author has a personal registration in one of the following scientific databases: Publons, ORCID or RISC (Russian Index of Scientific Citation). The journal encourages authors to include their researcher ID in the author’s business card.

– Prior to publication, the journal reserves the right to require a written declaration from the author regarding the originality of the manuscript’s scientific results and ideas, as well as a declaration that the manuscript is not sent in other journals or published elsewhere.

– The journal does not encourage the detailed presentation of commonly known theoretical concepts that are available in other sources. The journal reserves the right not to publish manuscripts in which the similarity level exceeds 20%.

– The journal does not encourage the citation of literature that is not relevant to the manuscript’s topic; literature that includes non-textual references or self-citations.

– By submitting a manuscript, the author agrees to comply with the stated Guidelines and the ethical principles for publishing a scientific text. Violations of the latter will be considered as a refusal of co-operation between the author and the journal in the future.

– Manuscripts that do not correspond to the journal’s subject matter or manuscripts that are not prepared according to the Guidelines will be rejected without going through a procedure of blind review.

– The following Guidelines have been developed following the journal’s desire to present at the maximum extent the published manuscripts in the international scientific databases.


Mathematics and Informatics considers manuscripts submitted solely to it. Manuscripts published already, under consideration for publication or printed elsewhere will not be reviewed. The manuscripts must report original research ideas and results and will be subjected to a double blind peer review at discretion of the Editor. Decision upon publishing the manuscript or not will be taken according to the reviewers feedback. The manuscripts should be prepared by using a standard word processing program. All appendixes in form of graphs, tables or illustrations should be suitable for reading and editing with programs commonly used for such purposes. Manuscripts should be submitted for consideration electronically as e-mail attachments to It is also acceptable to send the manuscript, together with the appendixes on a CD at the following ground address: 125, Tzarigradsko Shose Blvd., bl. 5, 1113 Sofia, Bulgaria.


Manuscript preparation

General guidelines

(1) Manuscripts may be submitted in Bulgarian or in English depending on the author’s opinion or on the reviewers recommendation.

(2) Recommended size of the manuscript – up to 25,000 characters (along with the spacing between words). There are no text formatting requirements for font type and size.

(3) It is not recommended to specifically format the text itself with regard to tabs, bullets and other similar symbols. Tabs should be used for table layout only.

(4) Recommended abstract volume – 100 to 150 words.

(5) Manuscripts should be compiled in the following order: title of the paper (without any abbreviations); names of the authors (without their current academic positions); 3 – 6 keywords; full text; acknowledgments; appendixes (as appropriate); notes; references; full business cards of the author(s) – academic position, affiliation, personal ID in scientific databases; postal address, e-mail address.

(6) Figures (Illustrations) and their captions should be presented simultaneously with the text and also separately in a new file. If the volume of a figure is not suitable for inserting, its position should be indicated in the text clearly - Fig. 1, Fig. 2, etc.

(7) Tables and their captions should be presented simultaneously with the text and separately in a new file. If the volume of a table is not suitable for inserting, its position should be indicated in the text clearly – Table 1, Table 2, etc. Tables are used for presenting quantities or variables. Plain text tables are not encouraged as they cause troubles in the pre-print and printing process.


Notes and References

The references should be cited in Roman script. If there are sources in Cyrillic script, they (authors, titles and sources) should be presented in Roman script with translation into English or by transliteration.

The list of references should include sources that can be checked easily by the referees and by the readers as well. The marginal sources without broad visibility should not be included in the list of references. Nevertheless, if such sources are necessary to be cited, they should appear in the list of notes. This list should contain some additional explanations or marginal sources including internet addresses, preferably in portable document format (pdf). The position of notes within the text should be marked by Arabic numerals as superscripts.

The style of the list of references should be in accordance with the Publication Manual of American Psychological Association (APA style), widely used for such kind of publications.





Zlateva, A. (2019). Reflecting the Level of Social Adaptation in the Drawings of Children Aged 6 – 7. Pedagogika-Pedagogy, 5, 687-695.

This source is cited in the text as: Zlateva (2019) or (Zlateva, 2019)


Missen, R.W. & Smith, W.R. (1989). A question of basic chemical literacy. J. Chem. Educ., 66, 343-352.

Apostolov, G. (2013). Parmenides and the Myth of Phaethon. Filosofiya-philosophy, 1, 9 – 33. [In Bulgarian]., 343-352.

This source is cited in the text as: Apostolov (2013) or (Apostolov, 2013).


Chuzhdoezikovo obuchenie-Foreign language teaching, 3, 253 – 262. [In Bulgarian].


If one should cite a source without continuing numeration of pages through the whole volume of the journal, then the number of the corresponding issue is to be also included in the bibliographic description of the paper in question, e.g.

Nichols, P., Twing, J., Mueller, C.D. & O’Malley, K. (2010). Standard-setting methods as measurement processes. Educational Measurement: Issues & Practice, 29 (1), 14 – 24.



Pruss, A.R. (2006). The Principle of Sufficient Reason. A Reassessment. New York: Cambridge University Press.



Edited Books

Carman, T. (2005). On the Inescapability of Phenomenology (pp. 67 – 89). In: Smith, D.W. & Thomasson, A. L. (Eds.). Phenomenology and Philosophy of Mind. Oxford: Clarendon Press.



Before publishing the authors will have the opportunity to check the proof of their paper. The proof should be corrected and returned to the Editor within a week. Major alterations to the text cannot be accepted.



After publishing the paper, first in the online edition of the journal, the authors will have the possibility to make themselves an unlimited number of reprints of their articles using the PDFs sent to them.


Last words

The acceptance of the submitted manuscripts for publication depends strongly on the reviewers’ recommendations. The publishing of the paper does not mean that the editors are in agreement with the points of view advocated by the authors. The editors reserve the right to edit manuscripts when necessary. There are no page charges to individuals or institutions.

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