(3OhQ GdTQcGJ GdGLfHjI aj GdGbJUGO GdYQGbj (B/ s - (3GdeQcR GdGSdGej ddGHMGK GdSjGSjI (B((3WgQGf, GjQGf(B)s ((3WgQGf (B[(3GjQGf(B] : s (3GdeQcR GdGSdGej ddGHMGK GdSjGSjI, MRH GdOYhI GdGSdGejI, (B402 (3g`(B. = [1982]s, 1982)
(3jJVef GQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdGSJKeGQGJ GdGLfHjIs -- (3GdYQGb(B.s; (3GdHJQhds -- (3LhGfH GbJUGOjIs -- (3GdYQGb(B.s