44-XX Integral transforms, operational calculus {For fractional derivatives and integrals, see . For Fourier transforms, see 42B10. For integral transforms in distribution spaces, see . For numerical methods, see 65R10}

• 44A10 Laplace transform
  
• 44A12 Radon transform [See also 92C55]
  
• 44A20 Transforms of special functions