TY - JOUR AU - N. S. Temirbulatov TI - A~spectral problem related to the $P_1$-approximation by spherical harmonics for the nonstationary one-velocity transport equation JO - Matematičeskie zametki PY - 1996 SP - 472 EP - 476 VL - 59 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1996_59_3_a21/ LA - ru ID - MZM_1996_59_3_a21 ER -