1. Burenmandula, Zhao, Y.C. An exact solution to the two-particle Boltzmann equation system for Maxwell gases. Commun. Theor. Phys., 58(4): 565–568 (2012)
2. Chapman, S., Cowling, T.G. The Mathematical Theory of the Non-uniform Gases. Cambridge University Press, Cambridge, 1953
3. Cercignani, C. The Boltzmann equation and applications. Springer-verlag, New York, 1988
4. Chen, J.N. The average of two solutions of the Boltzmann equation as the solutions of the two-particle Boltzmann hierarchy. Acta Math. Sci., 10(3): 259–272 (1990)
5. Chen, T.Q. Hilbert-Enskog-Chapman expansion in the Turbulent Kinetic theory of gases, I. J. stat. Phys., 25(3): 491–514 (1981)