TY - JOUR AU - Donald Goldsmith TI - On a question related to diophantine approximation JO - Acta Arithmetica PY - 1969 SP - 57 EP - 70 VL - 16 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa-16-1-57-70/ DO - 10.4064/aa-16-1-57-70 LA - en ID - 10_4064_aa_16_1_57_70 ER -