Sorgenfrey, Robert H. creator Beckenbach, Edwin F. text Boston Houghton Mifflin Company c1980 monographic xiv, 358 p. : figs. and tables ; 24 cm. Robert H. Sorgenfrey [and] Edwin F. Beckenbach. Includes glossary and index. Analysis 515.1 S713 1980 0-395-27932-1