@article{zu218738, number = {1}, title = {??????? ????????? ????????? ? ??????? ????? ?. ?????? ?? ?????????...? ?. ??????????}, author = {?. ?. ??????? and ?. ?. ????? and ?. ?. ?????}, publisher = {??????? "???????"}, year = {2013}, pages = {98--102}, journal = {???????}, url = {http://eprints.zu.edu.ua/18738/} }