@article{zu21557, number = {29}, title = {?????????? ???????? ? ??????? ?? ?????? ????????? ????????? ????????????? ?????}, author = {?. ?. ??????}, year = {2006}, pages = {156--160}, journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????}, url = {http://eprints.zu.edu.ua/1557/}, abstract = {? ?????? ?????????? ??????? ???????, ??? ?????????? ????? ????? ?? ?????? ?? ?????????????????? ?????: ??????????, ??????????????, ??????????, ?????????. ???????????? ?????????? ??????????? ???????? ????????? ????????????? ????? ? ???????.} }