@unpublished{zu226922,
           title = {???????????? ?????????? ? ???????? ????????? ???? ?  ???????? ?? ????? ?????},
          author = {?. ?. ?????????? and ?. M. ???????????},
            year = {2018},
         journal = {??????? ???????? ?????? ?????? ? ??? ????????},
             url = {http://eprints.zu.edu.ua/26922/}
}