00843nam0-22003131i-450 99000118308040332120190530111856.0000118308FED01000118308(Aleph)000118308FED0100011830820000920d1964----km-y0itay50------baengUSMathematical methods of physicsby J. Mathews and R. J. WalkerNew YorkW. A. Benjamin1964X, 475 p.ill.24 cmFisica teoricaMathews,Jon41147Walker,R. J.764624ITUNINARICAUNIMARCBK9900011830804033215-B-35751MA1MA100A79Mathematical methods of physics1552879UNINAING01