(3bGfhf GdLfSjI GdYQHjI GdShQjI GdUGOQ HGdeQShe GdJTQjYj Qbe (B276 (3dYGe (B1969 (3hJYOjdGJg (B/s - (3GdRjf, CMeO,s 1318-1366 (3g`(B.s; (3GdHGQhOj, eUWais; (3GdNjGW, CMeO Qajbs ((3OeTb (B:s (3OGQ GdcJH GdYQHjI,s, 1980)
Keywords: (3GdLfSjIs -- (3bhGfjf hJTQjYGJs -- (3ShQjGs; (3GdehGWfIs -- (3bhGfjf hJTQjYGJs -- (3ShQjGs