(3CSHGH GdeZaQI (B/s - (3GHf QLH, YHO GdQMef Hf CMeO Hf QLH,s 736-795 (3g`(B.s; (3YHOGdebUhO, CTQa s ((3GdbGgQI (B:s (3ecJHI GdJQGK GdESdGej,s, 1987)
(3HHdjhLQGajI (B: (3U(B. 104-109.s
Keywords: (3GdMOjKs -- (3LhGeY Gdafhfs; (3GdhYX hGdEQTGOs