@article{zu210436, title = {??????????? ??????????? ????}, author = {?. ?. ????????}, publisher = {??????????? ??????????????? ?????????????? ???????? ??. ?. ??????, ??????????? ????????? ????????????? ??????? ??????????}, year = {1997}, pages = {7--10}, journal = {?????????????? ?????: ??????? ???????? (??????? ??????????)}, url = {http://eprints.zu.edu.ua/10436/}, abstract = {?????? ? ???????? ??????????} }