(3GdJaSjQ GdCOHj dShQI GdQYO (B/s - (3GdObS, cGed SdGeIs ((3LOI, GdSYhOjI (B:s (3OGQ GdTQhb ddfTQ hGdJhRjY hGdWHGYI,s, 1977)
(3HHdjhLQGajI (B: (3U(B. 187-188.s
Keywords: (3GdbQBfs -- (3JaGSjQ COHjIs; (3GdbQBf(B.s -- (3JaGSjQs