TY - JOUR AU - V. A. Il'in TI - Boundary Control of Spherically Symmetric Oscillations of a~Three-Dimensional Ball JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 2001 SP - 144 EP - 155 VL - 232 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM_2001_232_a12/ LA - ru ID - TM_2001_232_a12 ER -