Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MOMA_1980__90_177994, author = {Franz Langmayr}, title = {On {Dirichlet's} {Approximation} {Theorem.}}, journal = {Monatshefte f\"ur Mathematik}, pages = {229--232}, publisher = {mathdoc}, volume = {90}, year = {1980}, zbl = {0433.10022}, url = {http://geodesic.mathdoc.fr/item/MOMA_1980__90_177994/} }
Franz Langmayr. On Dirichlet's Approximation Theorem.. Monatshefte für Mathematik, Tome 90 (1980), pp. 229-232. http://geodesic.mathdoc.fr/item/MOMA_1980__90_177994/