. (3eUGOQ GdTYQ GdLGgdj hbjeJgG GdJGQjNjIs - . (3GdGSO, fGUQ GdOjfs ((3GdbGgQIs (3OGQ GdeYGQas, 1969)
Keywords: (3GdTYQ GdYQHjs -- (3GdYUQ GdLGgdjs