%0 Journal Article %A S. Ya. Serovaǐskiǐ %T Optimization for nonlinear hyperbolic equations without the uniqueness theorem for a~solution of the boundary-value problem %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2009 %P 76-83 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2009_1_a3/ %G ru %F IVM_2009_1_a3