TY - BOOK AU - Kuhn H W Ed. AU - Szego G P Ed. ED - International summer school on mathematical systems theory and economics varenna (1967 : Italy) TI - Proceeding on mathematical systems theory and economics T2 - Lecture Notes in Operations Research and Mathematical economics; 12 U1 - B0bXp1,N67, K9 PY - 1969/// CY - Berlin PB - Springer-Verlag ER -