@book{zu231625,
           title = {????????????????????: ?????????? ?????? : ?????????? ???????? (??????????? ?????)},
          author = {?. ?. ????????? and ?. ?. ???????????},
       publisher = {??????????? ??????????-????????-??????? ??????????? ?????????},
            year = {2019},
             url = {http://eprints.zu.edu.ua/31625/},
        abstract = {?????????? ????????}
}