@article{zu2709, number = {7}, title = {??????? ????????????? ?????????? ?????? ? ????? ???? ???????? ????????}, author = {?. ?. ??????}, year = {2001}, pages = {148--150}, journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????}, url = {http://eprints.zu.edu.ua/709/}, abstract = {? ?????? ????????????? ??????????? ??????? ????? ????????? ?????????? ?????? ??? ???????. ?????????? ???? ????????????? ? ??????? ?????????? ?????????? ??? ???????????? ????????. } }