@article{zu26904, number = {4}, title = {??? ??????? ?????? ??????? ??????????? (?????? ? ???? ???????? ?? ?????? ???????)}, author = {?. ?. ???????}, publisher = {??? ????? ?.??????}, year = {2010}, pages = {136--143}, journal = {???????????????? ??????}, url = {http://eprints.zu.edu.ua/6904/} }