Frisch, Ragnar 1895-1973. Maxima and minima : theory and economic applications / Ragnar Frisch in collaboration with A. Nataf - Dordrecht, Holland ; Chicago : D. Reidel Pub. Co., Rand McNally, 1966 - xii, 176 p. ill. 23 cm. Includes Bibliography and index Subjects--Topical Terms: Economics, Mathematical. Dewey Class. No.: 330.0151 / FRM 1966