Ardelyan N, Sablin M. Structural properties of grid operators in node implicit operator-difference schemes of two-dimensional gas dynamics on triangular grids and increasing the computational efficiency of object-oriented algorithms. Num. Meth. Prog. [Internet]. 2012 Jun. 6 [cited 2024 Apr. 27];13(32):352-65. Available from: https://en.num-meth.ru/index.php/journal/article/view/530