Usiskin, Zalman. Flanders, James. Hynes, Cathy. Polonsky, Lydia. Porter, Susan. Viktora, Steven. text Chicago The University of Chicago c1986 monographic x, 549 p. : some ill. ; 25 cm. By Zalman Usiskin and James Flanders [and four others]. Includes index. Arithmetic Algebra Geometry 513.14 T772 1986 0-936745-03-7