Whittle, Peter Optimization under constraints: theory and applications of nonlinear programming. - London: New York: Wiley-Interscience, 1971. - ix, 241 p.: illus., 24 cm. - Wiley series in probability and mathematical statistics . Bibliography: p. 238. ISBN: 0471941301 LCCN: 75149574 Nat. Bib. No.: B71-19787 Subjects--Topical Terms: Nonlinear programming Dewey Class. No.: 519.76 / W627o