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@article{DE_1974_10_6_a20, author = {S. Ya. Yakubov and A. B. Aliev}, title = {Almost periodic solutions of second order hyperbolic equations}, journal = {Differencialʹnye uravneni\^a}, pages = {1142--1144}, publisher = {mathdoc}, volume = {10}, number = {6}, year = {1974}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1974_10_6_a20/} }
S. Ya. Yakubov; A. B. Aliev. Almost periodic solutions of second order hyperbolic equations. Differencialʹnye uravneniâ, Tome 10 (1974) no. 6, pp. 1142-1144. http://geodesic.mathdoc.fr/item/DE_1974_10_6_a20/