@article{zu230464,
           title = {???????? ??? ????????? ??????? ??????? ?? ??????? ???????? ???????????? ????},
          author = {?. ?. ??????????},
            year = {2019},
           pages = {20--21},
         journal = {????????? ???????? ????????????? ?????????},
             url = {http://eprints.zu.edu.ua/30464/}
}