@article{zu217886, title = {?????????? ???????? ? ?????????? ??????????? 80-? ????? ?? ??. ??? ?????????}, author = {?. ?. ?????}, publisher = {???-?? ??? ??. ?.??????}, year = {2015}, pages = {157--160}, journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????}, keywords = {????????? ??????, ?????????? ????????, ???????? ??????? ?????}, url = {http://eprints.zu.edu.ua/17886/}, abstract = {? ?????? ???????????? ?????? ??????????? ????????? ? ?????????? ??????? ??? ?????????. ???????? ????? ????????? ?????????????? ???????? ????????? ??????. ?'??????? ????? ????? ?? ???????? ????????? ???????????? ????? ??????? ?????????? ??????. ????????????, ? ?????????? ??????? ?????????, ????????? ??????????? ??????? ?????????? ?????????? ??????????????? ? ???????? ????????? ??????} }