@article{CMH_1982__57_139895,
     author = {Peter Thurnheer},
     title = {Eine {Versch\"arfung} des {Satzes} von {Dirichlet} \"uber diophantische {Approximation.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {60--78},
     publisher = {mathdoc},
     volume = {57},
     year = {1982},
     zbl = {0485.10024},
     url = {http://geodesic.mathdoc.fr/item/CMH_1982__57_139895/}
}