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@article{MAN_1972__197_162279, author = {T.W. Cusick}, title = {Formulas for {Some} {Diophantine} {Approximation} {Constants.}}, journal = {Mathematische Annalen}, pages = {182--188}, publisher = {mathdoc}, volume = {197}, year = {1972}, zbl = {0225.10032}, url = {http://geodesic.mathdoc.fr/item/MAN_1972__197_162279/} }
T.W. Cusick. Formulas for Some Diophantine Approximation Constants.. Mathematische Annalen, Tome 197 (1972), pp. 182-188. http://geodesic.mathdoc.fr/item/MAN_1972__197_162279/