Phelps, Robert R. Convex functions, monotone operators and differentiability Robert R. Phelps - Berlin New York Springer-Verlag 1989. - vii, 114 p. ill. 25 cm. - Lecture notes in mathematics (Springer-Verlag) 1364. . Contine Index ISBN: 3540507353 (Berlin) LCCN: 89004123 Subjects--Topical Terms: Convex functions.Monotone operators.Differentiable functions. Dewey Class. No.: 510 / 515.7