%0 Journal Article %A Dix Petey %T One-to-one mappings into the plane %J Fundamenta Mathematicae %D 1970 %P 209-218 %V 67 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-67-2-209-218/ %R 10.4064/fm-67-2-209-218 %G en %F 10_4064_fm_67_2_209_218