@article{DE_1978_14_9_a19, author = {A. A. Anikin and A. I. Popykin and S. B. Shikhov}, title = {The stability of the solution of the spectral problem for a multi-group diffusion approximation of the transport equation}, journal = {Differencialʹnye uravneni\^a}, pages = {1692--1695}, publisher = {mathdoc}, volume = {14}, number = {9}, year = {1978}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1978_14_9_a19/} }