SerdiukM. “Pseudodifferential Equations With Regular Singularity for Radial Functions of the $p$-Adic Argument”. Ukrains’kyi Matematychnyi Zhurnal 76, no. 5 (June 2, 2024): 782 - 788. Accessed December 4, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/7769.