@inproceedings{zu215268,
       booktitle = {??????. ????. ????????? ??????? ???? ???? ? ??????? ??????: ??? ???? ?? ????},
           title = {?????-?????? ?? ??????? ?????????},
          author = {?. ?. ??????? and ?. ?. ?????},
            year = {2004},
             url = {http://eprints.zu.edu.ua/15268/}
}