@unpublished{zu27475,
           title = {???????????? ????? ????'???????? ????? ? ????????
},
          author = {?. ?. ??????? and ?. ?. ????????},
            year = {2012},
             url = {http://eprints.zu.edu.ua/7475/},
        abstract = {????????? ??? ???????????? ?????? ? ???????? ?????????? ??????}
}