@article{zu225746,
          number = {5},
           month = {????????},
          author = {?. ?. ?????????},
           title = {????? ??????? ???????????? ????????????-?????????????? ?????????? ? ?????????? ?????},
       publisher = {???-?? ?.?.??????, ???????},
         journal = {????????? ??????? ???????? ???????????},
           pages = {175--177},
            year = {2017},
             url = {http://eprints.zu.edu.ua/25746/}
}