SOMAI, V.; LEGRADY, D.; TOLNAI, G. SVD ANALYSIS OF BACKPROJECTING OPERATOR OF ML-EM PET IMAGE RECONSTRUCTION. Radiology and Oncology, [S. l.], v. 52, n. 3, 2018. Disponível em: https://radioloncol.com/index.php/ro/article/view/2891. Acesso em: 22 jan. 2022.