00693cam a22002294a 4500003001000000005001700010008004100027020001500068040002500083041000800108044000800116080000700124100002800131245003700159260004800196650002900244655002300273942001200296945002100308999001700329952011700346AR-SsjUIB20250710155051.0250429s1953    xxu           000 0 eng d  a047017952x  aAR-SsjUIBcAR-SsjUIB0 aeng  axxu  a511 aCourant, Richard91448810aMethods of mathematical physics.  aNew York :bInterscience Publishers,c1953. 7aMatemáticas2lemb9299 7aLibro2unescot914  cLB2cdu  adbfid1998-06-11  c12077d12077  00102cdu4070aINGbINGd2025-07-10eComprai6693l0o51 COUpBFI.6693r2025-07-10 00:00:00t1w2025-07-10yLB