@article{zu218385, number = {1(2)}, title = {????????, ?????????? ? ?????? ????????? ???????????????? ??????????? ?????????????? ??????? ?????????? ????????????? ?????????}, author = {?. ?. ???????}, year = {2013}, pages = {16--19}, journal = {?????????? ??????? ??????}, url = {http://eprints.zu.edu.ua/18385/} }