TY - BOOK AU - Yaglom,I.M. AU - Walton,Lewis F. AU - Boltyanskii,V.G. AU - Kelly,Paul J. TI - Convex figures U1 - 513.5 PY - 1961/// CY - New York PB - Holt, Rinehart & Winston KW - Convex serfaces KW - Maxima and minima KW - Mathematics N1 - Includes index; Bibliography: p. 295-296 ER -