@article{zu225761,
          number = {5},
           month = {????????},
          author = {?. ?. ????????},
           title = {???????? ????????? ????????? ????????????? ???????? ???????????? ? ?????????????? ?????????? ? ?????},
       publisher = {???-?? ?.?.??????, ???????},
         journal = {????????? ??????? ???????? ???????????},
           pages = {209--211},
            year = {2017},
             url = {http://eprints.zu.edu.ua/25761/}
}