Krylovas, Aleksandras, and Olga Lavcel-Budko. “Asymptotical Approximation of One Dimensional Gas Dynamics Problem”. Lietuvos matematikos rinkinys 54, no. B (December 20, 2013): 48–53. Accessed July 18, 2024. https://www.journals.vu.lt/LMR/article/view/17150.