TY - JOUR AU - M. M. Potapov AU - A. A. Dryazhenkov TI - Threshold optimization in observability inequality for the wave equation with homogeneous Robin-type boundary condition JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 2012 SP - 215 EP - 229 VL - 277 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM_2012_277_a14/ LA - ru ID - TM_2012_277_a14 ER -