@article{zu229645,
           month = {????????},
           title = {???????????? ?????????? ???????? ?????????????? ?????????????? ????????? ??????????},
          author = {?. ?. ?????????},
       publisher = {??? ??. ?. ??????},
            year = {2019},
           pages = {159--161},
         journal = {????????? ???????? ????????????? ????????? (??????? ???????? ?????)},
             url = {http://eprints.zu.edu.ua/29645/}
}