@article{JTNB_2005__17_1_207_0, author = {Bernard de Mathan}, title = {On a mixed {Littlewood} conjecture for quadratic numbers}, journal = {Journal de Th\'eorie des Nombres de Bordeaux}, pages = {207--215}, publisher = {Universit\'e Bordeaux 1}, volume = {17}, number = {1}, year = {2005}, doi = {10.5802/jtnb.487}, zbl = {1165.11325}, mrnumber = {2152221}, language = {en}, url = {https://jtnb.centre-mersenne.org/articles/10.5802/jtnb.487/} }