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@article{JRAM_1977__296_151942, author = {K. V\"a\"an\"anen}, title = {On the simultaneous approximation of certain numbers.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {205--211}, publisher = {mathdoc}, volume = {296}, year = {1977}, zbl = {0356.10025}, url = {http://geodesic.mathdoc.fr/item/JRAM_1977__296_151942/} }
K. Väänänen. On the simultaneous approximation of certain numbers.. Journal für die reine und angewandte Mathematik, Tome 296 (1977), pp. 205-211. http://geodesic.mathdoc.fr/item/JRAM_1977__296_151942/