(3SLf GdfSGA (B:s (3OQGSI CfKQhHhdhLjI (B/s - (3ZGfe, YHO Gddg YHO GdZfjs ((3GdEScfOQjI, eUQ (B:s (3GdecJH GdLGeYj GdMOjK,s, 1988)
(3HHdjhLQGajI (B: (3U(B. 287-291.s
Keywords: (3SLhf GdeQCIs -- z; (3GdeSLhfhfs -- (3CMhGd GLJeGYjIs -- (3eUQs