@incollection{zu215230,
          author = {?. ?. ????????},
          series = {??????????  ??????? ?????? ?? ??????? ???????? ?????????? ?? ???  ????????????? ?????????? ???????????? ????? ?. ??????},
       booktitle = {??-????},
         address = {???????},
           title = {????? ??????? ?????????? ??????????},
       publisher = {???????},
           pages = {232--234},
            year = {2015},
             url = {http://eprints.zu.edu.ua/15230/}
}