530.15 RIL/M Riley, K. F. Mathematical methods for Physics and engineering / K. F. Riley, M. P. Hobson and S. J. Bence. - 3rd ed.. - New Delhi : Cambridge University Press, 2018 xxiii, 1333 p. Includes index 9780521139878 * Physics. Mathematics. * Hobson, M. P., Bence, S. J., * Title