Courant, Richard, 1888-1972. Differential and integral calculus/ Trans. by E. J. McShane. - New York: Interscience Publishers, [1937, 1949]. - 2 v.: 23 cm. ISBN: 0471178209 (v.1). 0471178535 (v.2) : Subjects--Topical Terms: Calculus. Dewey Class. No.: 512 / C858d