@article{GDZPPN002035235, title = {Mappings of Galois planes preserving the unit Euclidean distance.}, journal = {Aequationes mathematicae}, volume = {28}, year = {1985}, pages = {1-6}, zbl = {0581.51013}, url = {http://dml.mathdoc.fr/item/GDZPPN002035235} }
Radó, F. Mappings of Galois planes preserving the unit Euclidean distance.. Aequationes mathematicae, Tome 28 (1985) pp. 1-6. http://gdmltest.u-ga.fr/item/GDZPPN002035235/