Chatterjee,D CBCS mathematics / D. Chatterjee & B K Pal . - Kolkata : U. N. Dhar, 2019 718 p. ; 21 cm. Semester 1 -3 Semester I : Differential Calculus . Semester 2 : Differential Equations. Semester 3: Real analysis , Logic & Sets ISBN 9789380673752 : Rs.450 * MATHEMATICS * B K Pal, auth