@article{zu227905,
          number = {6},
           title = {?????????? ?????? ????????? ???????????? ?????????? ???????
? ????????? ??????? ??????},
          author = {?. ?. ?????????},
            year = {2018},
           pages = {204--208},
         journal = {??????????? ??????????},
             url = {http://eprints.zu.edu.ua/27905/}
}