@article{zu225681,
          number = {5},
           month = {????????},
          author = {?. ?. ??????? and ?. ?. ??????? and ?. ?. ????},
           title = {????? ?????? ?????????? ?? ???????? ? ??????????? ? ?????? ???????},
       publisher = {???-?? ?.?.??????, ???????},
         journal = {????????? ??????? ???????? ???????????},
           pages = {21--23},
            year = {2017},
             url = {http://eprints.zu.edu.ua/25681/}
}