@misc{zu215311, title = {????????????? ?????????????? ????? ? ???????? ???????? ???????? ?????.}, author = {?. ?. ????????????}, publisher = {???????? ?????? ?????????? ??????? ?????.}, year = {1990}, keywords = {???????, ???????? ???????, ????????????? ?????????????? ?????.}, url = {http://eprints.zu.edu.ua/15311/}, abstract = {??????????? ???????????? ??????????? ?????? ???????????? ???????? ????? ? ????????? ?????????? ??????? ?????????? ???????????????? ???????????? ????????.} }