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@article{DE_1971_7_2_a3, author = {V. V. Zhikov}, title = {Certain functional methods in the theory of almost periodic {solutions.~I}}, journal = {Differencialʹnye uravneni\^a}, pages = {215--225}, publisher = {mathdoc}, volume = {7}, number = {2}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1971_7_2_a3/} }
V. V. Zhikov. Certain functional methods in the theory of almost periodic solutions.~I. Differencialʹnye uravneniâ, Tome 7 (1971) no. 2, pp. 215-225. http://geodesic.mathdoc.fr/item/DE_1971_7_2_a3/