(3fXQjI GdJYSa aj GSJYeGd GdSdWI GeGe eLdS GdOhdI hGdeMGce GdbVGFjI (B/ s - (3GdWeGhj, SdjeGf eMeO, s (3hdO (B1921(3, s ((3GdGScfOQjI (B[(3eUQ(B] : s (3eWHYI OGQ fTQ GdKbGaI (B950.s, 1950)
(3jJVef ebOeI HGddZI GdaQfSjI(B.s
(3jJVef GQLGYGJ HHdjhLQGajI (B: (3UaMI (B373-379.s
Keywords: (3GdbGfhf GdGOGQj(B.s; (3GdbGfhf GdGOGQjs -- (3eUQ(B.s; (3fXQjI GdJYSa (B((3bGfhf(B)s -- (3eUQ(B.s