@article{MZM_1996_59_3_a21, author = {N. S. Temirbulatov}, title = {A~spectral problem related to the $P_1$-approximation by spherical harmonics for the nonstationary one-velocity transport equation}, journal = {Matemati\v{c}eskie zametki}, pages = {472--476}, publisher = {mathdoc}, volume = {59}, number = {3}, year = {1996}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1996_59_3_a21/} }