@misc{zu231221,
           title = {????????? ???????????? ??? ????????? ????????????? 231 ?????????? ??????? ? ?????????? ?????????? ????? ? ???????????},
          author = {?. ?. ???????? and ?. ?. ????? and ?. ?. ????????????},
            year = {2020},
             url = {http://eprints.zu.edu.ua/31221/}
}