@unpublished{zu215639,
           title = {??????????? ????? ?? ???????????},
          author = {?. ?. ??????? and ?. ?. ??????????},
       publisher = {??? ??. ?. ??????},
            year = {2014},
             url = {http://eprints.zu.edu.ua/15639/},
        abstract = {???? ????? ?????? - ???????? ??????????? ???????????? ??????????? ?? ???????????? ??????}
}