1. G. I. Marchuk and V. I. Lebedev, Numerical Methods in the Theory of Neutron Transport (Harwood, New York, 1986).
2. L. P. Bass, A. M. Voloshchenko, and T. A. Germogenova, “Methods of discrete ordinates in radiation transport problems,” Preprint No. 1, Keldysh Institute of Applied Mathematics, Russian Academy of Sciences, Moscow, 1986.
3. B. N. Chetverushkin, Mathematical Simulation of the Dynamics of a Radiating Gas (Nauka, Moscow, 1985) [in Russian].
4. G. B. Rybicki, “A modified feautrier method,” J. Quant. Spectrosc. Radiat. Transfer 11(6), 589–595 (1971).
5. V. Yu. Gusev, M. Yu. Kozmanov, and E. B. Rachilov, “A method of solving implicit difference equations approximating systems of radiation transport and diffusion,” Comput. Math.Math. Phys. 24(6) (1984).