@article{zu25651, number = {4}, month = {????????}, author = {?. ?. ??????????}, title = {??????? ?????? ?? ?????????? ????????? ??????? ????? ?????????? ??????}, publisher = {??? ??. ?. ??????}, journal = {???????? ????? ??????? ???????????}, pages = {190--191}, year = {2011}, url = {http://eprints.zu.edu.ua/5651/}, abstract = {??????? ???????, ??? ????????? ?? ?????????? ????????? ??????? ????? ?????????? ??????.} }