TY - JOUR AU - A. M. Il'in TI - On the behavior of the solution of a~boundary value problem when~$t\to\infty$ JO - Sbornik. Mathematics PY - 1972 SP - 545 EP - 572 VL - 16 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1972_16_4_a3/ LA - en ID - SM_1972_16_4_a3 ER -