H. Babovsky and T. Płatkowski, “Kinetic boundary layers for the Boltzmann equation on discrete velocity lattices”, Arch. Mech., vol. 60, no. 1, pp. 87–116, Jan. 2008, Accessed: Jan. 08, 2026. [Online]. Available: https://am.ippt.pan.pl/index.php/am/article/view/v60p87