@article{zu22390, number = {21}, title = {???????????? ???????????? ????????????? ???????? ?? ?????? ?????? ????}, author = {?. ?. ??????}, year = {2005}, pages = {35--37}, journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????}, url = {http://eprints.zu.edu.ua/2390/}, abstract = {? ?????? ???????? ???????? ????????????? ???????? ?? ?????? ?????? ????.} }