TY - JOUR AU - Ludmila S. Pulkina TI - Problems with nonlinear boundary conditions for a~hyperbolic equation JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 2012 SP - 208 EP - 216 VL - 278 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM_2012_278_a18/ LA - ru ID - TM_2012_278_a18 ER -