@article{zu2874, number = {19}, title = {?????????????????? ??????????? ?????????? ????????}, author = {?. ?. ???}, year = {2004}, pages = {260--262}, journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????}, url = {http://eprints.zu.edu.ua/874/}, abstract = {?????? ?????????? ???????????? ??????????? ??? ?????????? ???????? ?? ????????? ????, ??? ?????????? ??? ????????? ?????????? ????? ???'???? ????????, ? ????? ???? ?????????? ????????? ?? ???? ?????????.} }