@article{VMUMM_1990_2_a11,
     author = {A. Yu. Goritskii},
     title = {Asymptotic behavior of solutions of a hyperbolic equation that are unbounded as $t\to+\infty$},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {56--58},
     publisher = {mathdoc},
     number = {2},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1990_2_a11/}
}