Gupta,B.D. Mathematical physics / by B.D. Gupta - 3rd ed. - New Delhi: Vikas Publishing House Pvt. Ltd., 2006. - xv, 15.149p. ISBN: 8125916105 Subjects--Topical Terms: Complex variablesDifferential equationsGroup theoryPhysics Dewey Class. No.: 530.15 / GUP/M