(3GdeYGQVI aj GdehGO GdeOfjI hGdLfGFjI hGdTQYjI (B:s (3GdebUhO HGdeYGQVI(B-(3TQhW GdeYGQVI(B-(3GdCMcGe GdJj JLhR ajgG GdeYdQVI (B... /s - (3ahOI, YHO GdMce YHO GdHUjQs ((3GdEScfOQjI, eUQ (B:s (3OGQ GdacQ GdLGeYj,s, 1992)
(3HHdjhLQGajI (B: (3U(B. 421-424.s
Keywords: (3bGfhf GdELQGAGJ GdLfGFjIs -- (3eUQs; (3GdbGfhf GdLfGFj s -- (3eUQs