@book{zu234472,
           title = {???????? ?????? ? ???????? ?????????? ??????????. ???????? ??? ???????? ?????},
          author = {?. ?. ????????? and ?. ?. ?????? and ?. ?. ??????},
       publisher = {??? ????? ????? ??????},
            year = {2019},
             url = {http://eprints.zu.edu.ua/34472/}
}