@book{zu231145,
          number = {4},
          editor = {?. ?. ??????????},
           title = {???????????? ??????: ???????-?????????? ??????. ?????? 4},
       publisher = {???-?? ??? ??. ?. ??????},
            year = {2019},
             url = {http://eprints.zu.edu.ua/31145/}
}