@article{zu21106, number = {25}, title = {???????? ??????????? ?????????????? ????????? ???}, author = {?. ?. ????}, year = {2005}, pages = {91--94}, journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????}, url = {http://eprints.zu.edu.ua/1106/}, abstract = {? ?????? ?????????? ???????? ??????????? ??????????????, ????????????? ?????? ??????????? ?????????????? ????????? ?????? ??????????? ??????? (???????? ????? ?????), ?????? ?????? ?? ??????????? ???????????.} }