1. Radiative Transfer;Chandrasekhar,1950
2. On the diffuse reflection of a pencil of radiation by a plane-parallel atmosphere;Chandrasekhar,1958
3. The Mathematics of Radiative Transfer;Busbridge,1960
4. Invariant imbedding and time-dependent diffuse reflection of a pencil of radiation by a finite inhomogeneous flat layer;Bellman;J. Math. Analys. Appl.,1963
5. Light Scattering in Planetary Atmospheres;Sobolev,1973