@article{zu21042, number = {3}, title = {??????????? ?????????????? ?????????? ? ?????????? ?????? ? ???????? ?????? ?????????}, author = {?. ?. ????????? and ?. ?. ????????}, year = {1999}, pages = {116--119}, journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????}, url = {http://eprints.zu.edu.ua/1042/}, abstract = {? ?????? ????????????? ??????????? ?????????? ????????? ?????????, ??? ????????? ?????????? ??????? ?????????? ?????? ?? ?????????? ?????????? ?????. } }