%0 Journal Article %A D. Daykin %T Triangle contractive self maps of the plane %J Fundamenta Mathematicae %D 1978 %P 43-46 %V 99 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-99-1-43-46/ %R 10.4064/fm-99-1-43-46 %G en %F 10_4064_fm_99_1_43_46