%0 Journal Article %A E. Mitidieri %A S. I. Pohozaev %T Nonexistence of Weak Solutions for Some Degenerate and Singular Hyperbolic Problems on $\mathbb R_+^{n+1}$ %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2001 %P 248-267 %V 232 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_2001_232_a20/ %G ru %F TM_2001_232_a20