(3QhM GdeYGfj aj JaSjQ GdbQBf GdYXje hGdSHY GdeKGfj (B/s - (3GdBdhSj, CHj GdaVd TgGH GdOjf GdSjO eMehO TcQj Hf YHO Gddgs 1273-1342 (3g`(B.s; (3GdCeO , eMeO CMeOs; (3GdSdGej , YeQ YHO GdSdGes ((3HjQhJ (B- (3dHfGf (B:s (3OGQ EMjGA GdJQGK GdYQHj,s, 1999)
Keywords: (3bQBfs -- (3JaGSjQ HGdQCjs