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@article{MZM_1992_52_4_a7, author = {A. M. Minkin}, title = {Unconditional basis property of exponentials with a gap in the spectrum}, journal = {Matemati\v{c}eskie zametki}, pages = {62--67}, publisher = {mathdoc}, volume = {52}, number = {4}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1992_52_4_a7/} }
A. M. Minkin. Unconditional basis property of exponentials with a gap in the spectrum. Matematičeskie zametki, Tome 52 (1992) no. 4, pp. 62-67. http://geodesic.mathdoc.fr/item/MZM_1992_52_4_a7/