Das, B.C. Integral calculus including differential equations B.C. Das and B.N. Mukherjee - 50th ed. - Calcutta U.N. Dhur & sons 2001 - xxvi, 472p. Includes index ISBN: Rs.100 Subjects--Topical Terms: Integral calculusMathematics Dewey Class. No.: 517.1 / DAS