Declaration of Authorship

Preparatory work for contributions to the printing include also the author's declaration, in which the authors declare, that no part of the manuscript of the cited work has been published in other periodics or works of nonperiodical character and has not been published in another language either. Used pictorial supplements (pictures, maps, photographs, charts and others) are property of the authors(s) of the paper and in case of using copies of pictures or other graphic supplements from different publications or sources are these legalized by obtaining the right for publication.

The form of author's declaration is here (PDF file).