@article{DAN_1964_155_2_a19, author = {V. V. Sobolev}, title = {Radiation diffusion in a plane layer of large optical thickness}, journal = {Doklady Akademii Nauk}, pages = {316--319}, publisher = {mathdoc}, volume = {155}, number = {2}, year = {1964}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1964_155_2_a19/} }