@article{zu229670,
           month = {????????},
           title = {????????????? ?? ??????? ?? ?????? ????????? ?????????},
          author = {?. ?. ????????},
       publisher = {??? ??. ?. ??????},
            year = {2019},
           pages = {221--224},
         journal = {????????? ???????? ????????????? ????????? (??????? ???????? ?????)},
             url = {http://eprints.zu.edu.ua/29670/}
}