@article{zu231163,
           title = {?????????? ???????????????? ??????????? ?? ?????? ???????? ?? ??????????},
          author = {?. ?. ?????? and ?. ?. ??????????},
            year = {2002},
           pages = {217--220},
         journal = {?????????? ??????: ???????? ?? ????? ?? ????'?????? : ????.-?????. ??????.},
             url = {http://eprints.zu.edu.ua/31163/},
        abstract = {? ?????? ???????????? ??? ???????? ?? ?????????? ??????????? ???????????????? ????? ?? ????????? ??????? ???????? ?? ??????????, ? ????: ?????????? ?????????? ????????? ?????????? ?????, ?????????? ?????????? ??????????? ???????? ????.}
}