(3GdeNOQGJ (B:s (3JOejQ ddeLJeY (B/ s - (3Bd SYhO, fGja Hf YHO GdYRjR, GdCejQ, s 1353-1433 (3g`(B. s ((3GdQjGV (B: s (3hRGQI GdOGNdjI, GdEOGQI GdYGeI ddSLhf, s, 1987)
Keywords: (3GdeNOQGJ s -- (3bhGfjf hJTQjYGJs -- (3GdSYhOjI s; (3GdbGfhf GdLfGFjs -- (3GdSYhOjI s