Introduction to calculus and analysis : vol. 2 / Richard Courant and Fritz John. Courant, Richard, 1888-1972. John, Fritz, 1910-1994, jt. auth. Calculus Mathematical analysis QA303 .C838 517 COI Includes index. New York : Interscience Publishers, 1974. 1974. 1974 Text 2 v. : eng