(3GdCNWGA GdTGFYI dOi WGdHGJ GdJQHjI GdYedjI aj cdjGJ GdJQHjI HecI GdecQeI (B/s - (3MGaX, gjaGA eMeO CMeO(B.s ((3ecI GdecQeI (B:s (3ecJHI GdKbGaI,s, 1998)
(3HHdjhLQGajI (B: (3UaMI (B137-141.s
Keywords: (3GdeOQShfs -- (3JOQjHs