To publish an article in the scientific journal you must send an e-mail to the editors with the following materials:

1. Author's reference (link).
   
   
2. The article drawn up according to the specified requirements should be sent to ebitda@helvetica.ua

The authors receive a review letter – see Review process (rejected, accepted with revisions, accepted) and, in case of successful review, the requisites for paying of the fee are sent.

3. It is necessary to send a scanned receipt for payment of the publication fee for the scientific article.

The article should have the following structural elements:

• the UDC index;
• title of the article;
• surname and initials of the author(-s) (max. 3 authors) in the language of the article, scientific degree, academic rank, place of work or study;
• abstracts in the language of the article (700-800 characters without spaces). The structure of the abstract: the purpose of the study; research methodology; results; practical significance of research results;
• keywords (minimum 5);
• text of the article;
• list of sources used;
• References;
• information about the author, abstract and keywords in English. The abstract in English should be minimum 1800 characters without spaces.

The structure of the article should include the following mandatory elements:
1. Formulation of the problem in general and its relation to important scientific and practical tasks.
2. Analysis of recent studies ad publications that the author relies on to address the issue and approaches to its solution. In this case, it is necessary to highlight the unresolved parts of the overall problem that are being explored in the article.
3. Formulating the purposes of the article (statement of the aim).
4. Presentation of the main research material with full justification of the received scientific results.
5. Conclusions from this study and further prospects in this direction.

Technical requirements: article of size from 10 to 20 pages, А4 (297 x 210), edges: 25 mm to the left, 20 mm to the left, top and bottom, typed in Microsoft Word. The whole text of the article, bibliographic references, annotations, etc. is typed in Times New Roman font, size is 14 pt, spacing is one-and-a-half.

If the article contains tables, formulas and (or) illustrations, they should be compact, have the title in Times New Roman font, size is 12 pt. Tables and illustrations should be no larger than the page width. Mathematical formulas should be carefully checked and clearly printed. Formulas are submitted using the formula editor (built-in formula editor Microsoft Word for Windows). The number of tables, formulas and illustrations should be minimal and appropriate. Figures and tables in landscape format are not accepted.