00477nam a2200157Ia 4500003000900000008004100009040001600050080001200066100001700078245011800095260004400213300001400257650001600271650001200287700002000299IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a51bCOU  aCourant, R.  0aMethods of mathematical physics: vol.1cR. Courant  and Hilbert, D                                                 aNew YorkbInterscience Publishersc1953  axv, 561p.  aMathematics  aPhysics  aD,  Hilbert,