Das, B. C. Integral Calculus: Including Differential Equations - 40th ed. - Calcutta: U.N. Dhur & Sons Pvt. Ltd., 1994. - xxvi, 667 p.: 18 cm. ISBN: 8185624550 Subjects--Topical Terms: Integral, Calculus, Differential, Equations Dewey Class. No.: 515.43 D229i 1994