TY - JOUR AU - V. A. Il'in TI - The wave equation with a boundary control at one end and the other end fixed JO - Differencialʹnye uravneniâ PY - 1999 SP - 1640 EP - 1659 VL - 35 IS - 12 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1999_35_12_a6/ LA - ru ID - DE_1999_35_12_a6 ER -