@article{zu220360,
           title = {??? ????? ? ?????????? ???????? ????? ? ???????????? ????????? ???????? ??????????},
          author = {?. ?. ???????? and ?. ???????},
       publisher = {???????: ?????? ??? ??. ?. ??????},
            year = {2014},
           pages = {131--136},
         journal = {???? ?? ??????: ??????? ?? ??????????},
             url = {http://eprints.zu.edu.ua/20360/}
}