@article{zu219851, number = {6}, title = {?? ?????? ?????????? ??????? ?????? ??????? ?? ???????? ?? ???????????? ? ?????????? ?????? ??? ???????? ????? ??????? ? ???????? ???????}, author = {?. ?. ????????}, publisher = {???????? ????? ?????????? ?????????? ???????????? ???????? ???? ??????? (??????)}, year = {1997}, pages = {30--34}, journal = {????????? ?? ????????? ?????? ????}, url = {http://eprints.zu.edu.ua/19851/}, abstract = {? ?????? ???????? ???? ??????? ????? ? ?????????? ??? ?????? ?? ???????? ?? ???????????? ??????, ???????? ????? ??????? ?????????? ??????,??????????? ?? ????????? ???????, ???????? ????????? ????????????? ?? ??????????? ???????? ??????.} }