@article{zu225768,
          number = {5},
           month = {????????},
          author = {?. ?. ????},
           title = {??????????? ???????????? ????????????? ?????, ???????????? ??????},
       publisher = {???-?? ?.?.??????, ???????},
         journal = {????????? ??????? ???????? ???????????},
           pages = {228--231},
            year = {2017},
             url = {http://eprints.zu.edu.ua/25768/}
}