%0 Journal Article %A R. Goodstein %T A constructivist theory of plane curves %J Fundamenta Mathematicae %D 1956 %P 23-35 %V 43 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-43-1-23-35/ %R 10.4064/fm-43-1-23-35 %G en %F 10_4064_fm_43_1_23_35