@article{zu225802,
          number = {5},
           month = {????????},
          author = {?. ?. ?????????},
           title = {???? ????????? ???????? ?? ?? ???????? ? ????????},
       publisher = {???-?? ?.?.??????, ???????},
         journal = {????????? ??????? ???????? ???????????},
           pages = {309--311},
            year = {2017},
             url = {http://eprints.zu.edu.ua/25802/}
}