(3GdcJGH GdSfhj (B: s (3ddbVjI GdadSWjfjI dYGe (B1968 / s - (3GHj eQTO, hdjO, s ((3HjQhJ(B[(3dHfGf(B] : s (3efThQGJ eDSSI GdOQGSGJ GdadSWjfjI, s, 1971)
(3jVe edGMb(B.s
(3jJVef GQLGYGJ HjHdhLQGajI(B.s
Keywords: (3GdbVjI GdadSWjfjI s -- (3JGQjNs -- 1968.