00325nam a2200121 a 450000500170000002000150001708200130003210000200004524500720006525000120013726000350014930000190018420251203110212.0  a0738201294  a519bKEE  aKeener, James P  aPrinciples of applied mathematicsbtransformation and approximation  aRev ed.  aCambridgebPerseus Booksc2000  axi,603p.c22cm