Arfken, George B. Mathematical methods for physicists : a comprehensive guide / George B. Arfken, Hans J. Weber, Frank E. Harris - 7th ed. - New York : Academic Press, c2013 - xiii, 1205 p. : ill. ; 25 cm. Includes index ISBN: 9780123846549 Subjects--Topical Terms: MathematicsMathematical physics