Ashraf , Md. Ali Vector analysis with applications / Ali Ashraf and Md. Abdul Khaleq Hazra. - 3rd ed. - New Delhi : Wiley Eastern, 1993. 1993. - xv, 308 p. : ill.; 22 cm. Includes index. ISBN: 8122405487 Subjects--Topical Terms: Vector analysis. Dewey Class. No.: 515.63 / ASV