@article{zu28582, title = {??????? ???????????????? ???????. }, author = {?. ?. ?????????}, year = {2012}, pages = {242--244}, journal = {????????? V ?????????????? ???????-?????????? ??????????? (????, 16 ??????? 2012 ?.)}, url = {http://eprints.zu.edu.ua/8582/}, abstract = {???????? ??? ???????? ?? ?????????? ??????? ???????????????? ???????, ?? ???????? ???? ??????????? ?? ????????????? ?????? ????????????.} }