Tarnavsky, G., S. Aultchenko, and V. Vshivkov. “Mathematical Simulation of Unsteady Three-Dimensional Processes in the Space Gas Dynamics”. Numerical Methods and Programming (Vychislitel’nye Metody I Programmirovanie), vol. 4, no. 4, Oct. 2003, pp. 294-22, https://en.num-meth.ru/index.php/journal/article/view/100.