Cepîtis, Jânis, and Harijs Kalis. “Self‐similar Problems for Modeling the Surface Chemical Reactions With the Gravitation”. Mathematical Modelling and Analysis 3, no. 1 (December 15, 1998): 25-32. Accessed May 5, 2024. https://journals.vilniustech.lt/index.php/MMA/article/view/9984.