@article{zu226771,
          number = {?},
           month = {???????},
          author = {?. ?. ?????},
           title = {?????????? ???????????? ??????????? ??????????? ? ???????? ??????????????? ?????? ????????????? ????????},
       publisher = {???????: ??????????? ????????????? ?????????? ???????????? ????? ????? ??????},
         journal = {??????? ??????????? ??????????? ?? ???????? ????????? ???? ? ????????? ????????????? ???????????},
           pages = {425--431},
            year = {2017},
             url = {http://eprints.zu.edu.ua/26771/}
}