@article{zu226090,
           title = {????? ???????? ?? ???????? ??????},
          author = {?. ?. ?????? and ?. ?. ?????},
       publisher = {???????: ?? ??????},
            year = {2017},
           pages = {304--306},
         journal = {?????????? ??????????? ? 2017},
             url = {http://eprints.zu.edu.ua/26090/}
}