%0 Journal Article %A Ludmila S. Pulkina %T Problems with nonlinear boundary conditions for a~hyperbolic equation %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2012 %P 208-216 %V 278 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_2012_278_a18/ %G ru %F TM_2012_278_a18