00451nam a2200145Ia 4500100002600000250000600026942000700032654001400039245007000053260003600123300000800159546001200167999001700179952010900196  aBrahma Nand & others   a4  cBK  aspherical  aSpherical Harmonics  and Partial  differential  equations  8th ed  bKedar nath ram nath co.aMeerut  a167  aENGLISH  c26386d26386  001040708CRCaCRCEbCRCEc1462 | 11d2023-03-17g18.00l0o p8172r2023-03-17v18.00w2023-03-17yBK