@article{GDZPPN002407019, title = {Finite Affine Planes of Rank Three are Translation Planes.}, journal = {Mathematische Zeitschrift}, volume = {114}, year = {1970}, pages = {89-93}, zbl = {0197.16802}, url = {http://dml.mathdoc.fr/item/GDZPPN002407019} }
Liebler, Robert A. Finite Affine Planes of Rank Three are Translation Planes.. Mathematische Zeitschrift, Tome 114 (1970) pp. 89-93. http://gdmltest.u-ga.fr/item/GDZPPN002407019/