@article{zu220720,
          volume = {19},
           title = {?????????? ???????? ???????? ? ?????? ?? ??????-???????????},
          author = {?. ?. ??????? and ?. ?. ?????},
            year = {1999},
           pages = {97--98},
         journal = {??????? ?????? : ????? ????????????? ???????-???????????? ?????????? ??????????? ???????},
             url = {http://eprints.zu.edu.ua/20720/}
}