Boas, Mary L. Mathematical methods in the physical sciences / Mary L. Boas. - 3rd ed. - New Delhi : Wiley, c1980. - xviii, 839 p. : ill. ; 23 cm. Includes index. ISBN: 9788126508105 Subjects--Topical Terms: MathematicsTextbooks LC Class. No.: QA37.3 / .B63 1980