TY - JOUR AU - B. R. Vainberg TI - Asymptotic behavior as~$t\to\infty$ of solutions of exterior mixed problems that are periodic with respect to~$t$ JO - Matematičeskie zametki PY - 1990 SP - 6 EP - 16 VL - 47 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1990_47_4_a1/ LA - ru ID - MZM_1990_47_4_a1 ER -