00457nam a2200133 a 450000500170000002000180001708200180003510000140005324501300006726000290019730000240022649000540025050000190030420251203111101.0  a9783540446958  a410.2462bTAN  aTang, K.T  aMathematical methods for engineers and scientists 3: fourier analysis, partial differential equations and variational methods  aNew YorkbSpringerc2007  axi,438p,c24cm,bHB  aMathematic methods for engineers and scientists 3  aincludes index