@article{zu225953,
           month = {???????},
           title = {??????? ???-????? ?? ?????? ?????????? ?? ??????????????? (?? ???????? ????????? ?? ???????)},
          author = {???? ??????? and ?????? ?????????},
            year = {2017},
           pages = {17--18},
         journal = {?????? ?????/???? ? ????????????? ?????},
             url = {http://eprints.zu.edu.ua/25953/}
}