(3OjcGQJ h GdYbdGfjI (B/s - (3LfajGa QhOjS dhjS s; (3dMdhs ((3HjQhJ(B- (3dHfGf (B:s (3OGQ efThQGJ YhjOGJ (B;(3GdeWHhYGJ GdLGeYjI HaQfSG ,s, 1977)
Keywords: (3GdYbd h GdefgLs; (3adSaIs; (3OjcGQJs; DESCARTES