TY - JOUR AU - A. A. Dryazhenkov AU - M. M. Potapov TI - Constructive observability inequalities for weak generalized solutions of the wave equation with elastic restraint JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 2014 SP - 928 EP - 941 VL - 54 IS - 6 UR - http://geodesic.mathdoc.fr/item/ZVMMF_2014_54_6_a4/ LA - ru ID - ZVMMF_2014_54_6_a4 ER -