%0 Journal Article %A V. Faber %A M. Kuczma %A J. Mycielski %T Some models of plane geometries and a functional equation %J Colloquium Mathematicum %D 1991 %P 279-281 %V 62 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-62-2-279-281/ %R 10.4064/cm-62-2-279-281 %G en %F 10_4064_cm_62_2_279_281