@article{zu225814,
          number = {5},
           month = {????????},
           title = {??????????? ???????? ??????????? ?????????? ? ???????????},
          author = {?. ?. ?????????},
            year = {2017},
           pages = {340--344},
         journal = {????????? ??????? ???????? ???????????},
             url = {http://eprints.zu.edu.ua/25814/}
}