%0 Journal Article %A M. Sh. Potashov %A A. V. Yudin %T Non-conservation of linear momentum in widely used hierarchical methods in gravitational gas dynamics %J Numerical methods and programming %D 2024 %P 396-412 %V 25 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMP_2024_25_4_a1/ %G en %F VMP_2024_25_4_a1