Raisighania, M. D. Ordinary and partial differential equations / M. D. Raisighania. - 6th rev. ed. - New Delhi : S. Chand & Company, c1976 [Reprinted 2000]. - various pages ; 21 cm. ISBN: 8121908922 Subjects--Topical Terms: Differential equations, Partial. Dewey Class. No.: 515.353 RAI