@article{zu219811, title = {????? ?? ???????????? ???????}, author = {?. ?. ??????????????}, publisher = {??? ????? ????? ??????}, year = {2012}, pages = {259--266}, journal = {?????????????? ?????? ????????? : ????. ?????? (1965-2011 ??.) / ??????.: ?. ?????????????, ?. ?????}, url = {http://eprints.zu.edu.ua/19811/} }