@misc{zu229729,
           title = {????? ?? ????????? ???????????? ??????????? ????????
? ???????? ??????? (?? ??????????? ??????????????? ????? ????? ??????? ????????????? ?????????? ???????????? ????? ????? ??????)},
          author = {?. ?. ?????? and ?. ?. ???????????},
       publisher = {??? ??. ?. ??????},
            year = {2019},
             url = {http://eprints.zu.edu.ua/29729/}
}