Open access policy and archiving policy

The journal provides open access to current and archived issues due to the following principle: open access to the research results contributes to the strengthening of global knowledge-sharing.

Full-text electronic versions of articles and all other published materials are freely available on the official website of the journal ( from the moment of publication of each new issue. Articles are also freely available at the websites and

All papers are assigned a Digital Object Identifier (doi).

The Journal follows the “blue” archiving policy Sherpa/Romeo that means that the author can archive post-print (i.e. final draft post-refereeing) or publisher’s version/PDF.