P. R. Ghosh & J. G. Chakravorty, VECTOR ANALYSIS by J.G.Chakravorty & P. R. Ghosh - 1st ed. - Kolkata: U.N.Dhur & Sons, 1969. - vii,270pg: 21cm. ISBN: 978-93-80673-04-2 Subjects--Personal Names: MATHEMATICS. Dewey Class. No.: 515.63 / CHA / CHA