@unpublished{zu213220,
           title = {?????????? ????????? ???????? ?????????? ?????? ?? ??????????? ????????-????????? ????????? ?????},
          school = {???-?? ??? ??. ????? ??????},
          author = {?. ?. ????????},
            year = {2007},
             url = {http://eprints.zu.edu.ua/13220/}
}