Courant, R . Methods of mathematical physics / R. Courant and D. Hilbert. - NewJersey : John Wiley & Sons , 1962. - V.2 : ills. ; 23cm . - Vol.2- Includes index and bibliography ISBN: 0470179856 USD 122.90 Subjects--Index Terms: MATHEMATICAL PHYSICS Dewey Class. No.: 530.15 / COU/M