TY - JOUR AU - R. Goodstein TI - A constructivist theory of plane curves JO - Fundamenta Mathematicae PY - 1956 SP - 23 EP - 35 VL - 43 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-43-1-23-35/ DO - 10.4064/fm-43-1-23-35 LA - en ID - 10_4064_fm_43_1_23_35 ER -