@article{zu25566, title = {?????????? ?????????? ??????????? ?????????????? ??????????? ??????? ??????????? ???????? ???????????}, author = {?. ?. ??????}, year = {2009}, pages = {18--21}, journal = {??? ?????????? ???????-????????? ??????????? ,,???????? ??????: ?????? ?????????? : ??. ????. ?????}, url = {http://eprints.zu.edu.ua/5566/} }