1. B. T. Porodnov and P. E. Suetin, ?Flow of a rarefied gas between two parallel plates,? Izv. Akad. Nauk SSSR, Mekh. Zhid. Gaza, No. 6 (1967).
2. B. T. Porodnov and P. E. Suetin, ?Plane flow of a Maxwellian gas,? Zh. Tekh. Fiz.,35, No. 4 (1969).
3. C. Cercignani and C. D. Pagani, ?Variational approach to boundary-value problems in kinetic theory,? Phys. Fluids,9, No. 6.(1968).
4. W. C. De Marcus, ?The problem of Knudsen flow,? Oak Ridge, Tenn. (1957) (Rept./Union Carbide Nuclear Co., K-1302).
5. N. L. Weissberg, ?End correction for slow viscous flow through long tubes,? Phys. Fluids,5, No. 9 (1962).