@unpublished{zu226324,
       booktitle = {? ???????????? ??????????? ???????-????????? ????????-??????????? ???????????? ?????????? ????????? ?? ?????????? ? ?????? ??????? ????????? 4},
           month = {???????},
           title = {??????? ????????????? ??????? ?????????? ?????????? ????????????},
          author = {?. ?. ???????? and ?. ?. ?????????},
            year = {2017},
           pages = {31--33},
             url = {http://eprints.zu.edu.ua/26324/}
}