@article{VMUMM_1994_6_a1,
     author = {A. R. Shirikyan},
     title = {Almost periodic solutions of nonlinear hyperbolic equations},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {6--10},
     year = {1994},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1994_6_a1/}
}