@article{zu217710,
          volume = {33},
          number = {8},
           title = {???????????????????? ??????? ???????? ? 4-(2-??????????)??????????, ????????? ???????????? ?? ??????????},
          author = {?. ?. ???????? and ?. ?. ????????? and ?. ?. ?????? and ?. ?. ????????},
            year = {2007},
           pages = {627--631},
         journal = {??????????????? ?????},
             url = {http://eprints.zu.edu.ua/17710/}
}