Datta, B.K.. Introduction to partical differential equations / B.K. Datta. - Kolkata : New Central Book Agency , 1993. - ii.161p.+4 : ill.,figs. ; 22cm. . - Pure mathematics and statistics, ; . - Pure mathematics and statistics, ; . NULL ISBN: Rs. 50.00 (Pbk) Subjects--Index Terms: DIFFERENTIAL EQUATIONS, PARTIAL Dewey Class. No.: 515.353 / DAT/I