@article{zu225785,
          number = {5},
           month = {????????},
          author = {?. ?. ???????? and ?. ?. ??????????},
           title = {???????????? ???????????? ?????????? ??? ?????????? ????? ?? ??????????? ??????????? ?????????? ? ??????????},
       publisher = {???-?? ?.?.??????, ???????},
         journal = {????????? ??????? ???????? ???????????},
           pages = {267--269},
            year = {2017},
             url = {http://eprints.zu.edu.ua/25785/}
}