1. L. Boltzmann, Wien. Ber. 66, 275 (1872); Wien. Anz. 9, 23 (1872); Abh. 1, 316 (1872); Lectures on Gas Theory (University of California, Berkeley, 1964), translated by S.G. Brush
2. D. Enskog, Kinetische Theorie der Vorgänge in mässig verdünten Gases (Almqvist and Wiksells, Uppsala, 1917); translation in S.G. Brush, Kinetic Theory, vol. 3 (Pergamon, Oxford, 1965)
3. S. Chapman, T.G. Cowling, The Mathematical Theory of Nonuniform Gases, 3rd edn. (Cambridge, U.P., London, 1970)
4. J.H. Ferziger, H.G. Kaper, Mathematical Theory of Transport Processes in Gases (North-Holland, Amsterdam, 1972)
5. C. Cercignani, The Boltzmann Equation and Its Application (Springer, New York, 1988)