Osypchuk, M.M. “On Some Perturbations of a Stable Process and Solutions to the Cauchy Problem for a Class of Pseudo-Differential Equations”. Carpathian Mathematical Publications 7, no. 1 (July 3, 2015): 101–107. Accessed May 6, 2024. https://scijournals.pnu.edu.ua/index.php/cmp/article/view/1388.