@article{zu213488, title = {?????????? ??????????? ????? ?? ?????? ??????????}, author = {?. ?. ?????????? and ?. ?. ????????}, publisher = {??? ?????????}, year = {2012}, pages = {325--328}, journal = {???????????? ?????? ????????? ?????????? ?? ?????????? ?????? ???????????: ??????? ???????-?????????? ????? / ?? ???. ???. ?.?. ????????, ?.?. ????????}, url = {http://eprints.zu.edu.ua/13488/} }