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@article{DAN_1960_132_3_a7, author = {Yu. I. Lyubich}, title = {Almost periodic functions in the spectral analysis of operators}, journal = {Doklady Akademii Nauk}, pages = {518--520}, publisher = {mathdoc}, volume = {132}, number = {3}, year = {1960}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1960_132_3_a7/} }
Yu. I. Lyubich. Almost periodic functions in the spectral analysis of operators. Doklady Akademii Nauk, Tome 132 (1960) no. 3, pp. 518-520. http://geodesic.mathdoc.fr/item/DAN_1960_132_3_a7/