@unpublished{zu217791,
           title = {?????????????????????? ????????????? ????????? ??????????????? ?? ?????? ?????????? ?? ???? ?????????? ??????????},
          school = {???????? ????? ?????????????????? ??????},
          author = {?. ?. ??????},
            year = {2012},
             url = {http://eprints.zu.edu.ua/17791/}
}