@article{zu229363,
           title = {????? ????????????? ?? ?????????? ???????? ????????????? ?? ???????? ?????????????? ??????},
          author = {?. ???????????},
            year = {2019},
           pages = {224--227},
         journal = {????????? ???????? ????????????? ?????????},
             url = {http://eprints.zu.edu.ua/29363/}
}