@book{zu228820,
           title = {?????? ????????? ?????? ??? ???????? ?????????? ? ???????????????? ?????},
          author = {?. ?. ??????? and ?. ?. ???????? and ?. ?. ?????????},
       publisher = {??? ??.?.??????},
            year = {2007},
             url = {http://eprints.zu.edu.ua/28820/}
}