TY - JOUR AU - Wolfgang Schmidt TI - Northcott's theorem on heights II. The quadratic case JO - Acta Arithmetica PY - 1995 SP - 343 EP - 375 VL - 70 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa-70-4-343-375/ DO - 10.4064/aa-70-4-343-375 LA - en ID - 10_4064_aa_70_4_343_375 ER -