Sablin, M.N. 2006. “Software Implementation of Algoritms for Numerical Solution of 2D Gas Dynamics Operator-Difference Grid Problems by Using the C++ Class System”. Numerical Methods and Programming (Vychislitel’nye Metody I Programmirovanie) 7 (8):19-29. https://en.num-meth.ru/index.php/journal/article/view/227.