Konarovskyi, V. V. “System of Sticking Diffusion Particles of Variable Mass”. Ukrains’kyi Matematychnyi Zhurnal 62, no. 1 (January 25, 2010): 90–103. Accessed April 27, 2025. https://umj.imath.kiev.ua/index.php/umj/article/view/2845.