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@article{ZAA_2000__19_2_48628, author = {Lindner, A.M.}, title = {A universal constant for exponential {Riesz} sequences.}, journal = {Zeitschrift f\"ur Analysis und ihre Anwendungen}, pages = {553--559}, publisher = {mathdoc}, volume = {19}, number = {2}, year = {2000}, zbl = {0954.42019}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ZAA_2000__19_2_48628/} }
Lindner, A.M. A universal constant for exponential Riesz sequences.. Zeitschrift für Analysis und ihre Anwendungen, Tome 19 (2000) no. 2, pp. 553-559. http://geodesic.mathdoc.fr/item/ZAA_2000__19_2_48628/