TY - JOUR AU - Peter Thurnheer TI - On Dirichlet's theorem concerning diophantine approximation JO - Acta Arithmetica PY - 1989 SP - 241 EP - 250 VL - 54 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa-54-3-241-250/ DO - 10.4064/aa-54-3-241-250 LA - en ID - 10_4064_aa_54_3_241_250 ER -