(3GdeSDhdjI GdLfGFjI Yf GdLQGFe GdGbJUGOjI (B: s (3OQGSI ebGQfI (B/ s - (3egOj, YHO GdQDha s; (3MSfj, eMehO fLjHs ((3GdEScfOQjI, eUQ (B:s (3efTCI GdeYGQa, s, 1976)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B. s
(3HHdjhLQGajI (B: (3U(B. 517-542.s
Keywords: (3GdLQGFe GdGbJUGOjIs -- (3bhGfjf hJTQjYGJ s -- (3eUQs; (3GdeSFhdjI GdLfGFjI s -- (3eUQs