Abel integral equation 1 Abel integral equations 1 Acoustic pressures 1 Computerized tomography 1 Finite time intervals 1 Image reconstruction 1 Images reconstruction 1 Integral equations 1 Inverse problems 1 Inverse source problem 1 Inversion formulae 1 Mixed data 1 Photoacoustic computed tomography Photoacoustic effect 1 Photoacoustic tomography 1 Wave equations 1 Weighted linear combinations 1 image reconstruction 1 inversion formula 1 photoacoustic computed tomography 1 wave equation 1