00281nam a2200133Ia 4500020001500000100001800015245004900033250000800082260003600090300000600126490000500132500000500137700000500142  a0387953140  aDavies, Brian  aIntegral transforms and their applicationsb  a3rd  aNew YorkbSpringer-Verlagc2002  a   a  a  a