@article{zu213159, volume = {2}, title = {?????????? ?????????????? ???????}, author = {?. ?. ???????????}, year = {2005}, pages = {163--172}, journal = {???????????? ??????????? ?????????? ? ??????? ??????????? ??????: ?????. ??????. ????-?????. ????.}, url = {http://eprints.zu.edu.ua/13159/} }