515.35 RAO\I 44024 44025

RAO, K. Sankara        Introduction to partial differential equations / K. Sanklara Rao. – 3rd ed.. – Delhi : Phi learning , 2016.        xii, 488p. : ill.        includex index.        ISBN978-81-203-4222-4 : Rs.325.00.        1. Mathematics        1. Differntial Equation