(3TQM bGfhf GdCMhGd GdTNUjI GdCQOfj(B.s (3GdbSe GdChd,s (3YbO GdRhGL hBKGQg (B/s - (3GdSQWGhj, eMehO Ydj s ((3YeGf, GdCQOf (B:s (3OGQ GdacQ,s, 1996)
(3HHdjhLQGajI (B: (3U(B. 239-243.s
Keywords: (3GdCMhGd GdTNUjI s -- (3bhGfjf hJTQjYGJ s -- (3GdCQOf s; (3GdRhGLs -- (3bhGfjf hJTQjYGJ s -- (3GdCQOf s