00629nam a2200181Ia 4500003000900000008004100009040001600050080001600066100002900082245010200111260003500213300001400248490003300262650004100295942000700336999001300343952009100356IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a517.95bSOM  aSommerfeld, Arnold91630 0aPartial differential equations in physicscArnold Sommerfeld                                       aNew YorkbAcademic Pressc1949  axi, 335p.  aPure and applied mathematics  aPartial differential equations91631  cBK  c759d759  00104070aBANbBANcGENd0000-00-00l0o517.95/ SOMp783r2021-11-05w0000-00-00yBK