00618nam a2200181 a 450000500170000000800410001704100080005808200110006610000320007724500700010926400350017930000240021465000260023870000300026494200070029499900170030195201180031820260717091035.0260717s1970    ii            000 0 eng d  aeng04a530.151 aCourant, Richard, 1888-197210aMethods mathematical physics vol.I /cCourant, Richard, 1888-1972 1aDelhi :bWiley eastern,c1970.  axv, 561 p. ; 21 cm. 4aMathematical physics.1 aHilbert, David, 1862-1943  cBK  c21398d21398  001040708DCaBKBCLbBKBCLd1979-08-20g27.80l0o530.15 COUp11453r2026-07-17 09:10:35v27.80w2026-07-17yBK