@misc{zu221331,
           title = {?????? ???????? ????? ?? ??????? ????????},
          author = {?. ?. ????????? and ?. ?. ?????? and ?. ?. ???????},
       publisher = {???-?? ??? ??. ?. ??????},
            year = {2015},
             url = {http://eprints.zu.edu.ua/21331/}
}