@book{zu229544,
           month = {???????},
           title = {????????? ???????? ????????????? ?????????},
          author = {?. ?. ?????????? and ?. ?. ??????? and ?. ?. ??????},
       publisher = {???????????? ????????? ??????????? ????? ????? ??????},
            year = {2019},
             url = {http://eprints.zu.edu.ua/29544/}
}