(3GdeOfjI GdMOjKI hJSGeM GdhGdOjf (B: s (3HMK MVGQj ebGQf dTHGH eUQ hdHfGf hGdYQGb hShQjG hGdGQOf hGdhdGjGJ GdeJMOI GdGeQjcjI (B/ s - (3fLGJj, eMeO YKeGf, s ((3GdbGgQI (B[(3eUQ(B] : s (3OGQ GdfgVI GdYQHjI (B974.s, 1974)
(3jJVef edGMb(B.s
(3jJVef edNU HGddZI GdGfLdjRjI(B.s
(3jJVef EQLGYGJ HHdjhLQGajI (B: (3UaMI (B315-318.s
Keywords: (3GdGWaGds -- (3Yde faS(B.s; (3GdGeheI(B.s; (3Yde GdfaS GdJQHhj(B.s