@article{zu226700, number = {3}, title = {???????????? ?. ?????????? ?????? / ?? ????? ??? ????? ??? ???????. ?????? ? ???????? ? ?????? ?????? ????????? ?????? / ???. ?. ?. ??????}, author = {?. ?. ??????}, publisher = {??? ????? ????? ??????}, year = {2013}, pages = {208--211}, journal = {???????????? ???????}, url = {http://eprints.zu.edu.ua/26700/} }