Serdiuk, M. “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 April 11, 2025. https://umj.imath.kiev.ua/index.php/umj/article/view/7769.