@article{GDZPPN002417278, title = {The Collineation Groups of Derived Translation Planes. II.}, journal = {Mathematische Zeitschrift}, volume = {147}, year = {1976}, pages = {1-6}, zbl = {0329.50002}, url = {http://dml.mathdoc.fr/item/GDZPPN002417278} }
Walker, Michael. The Collineation Groups of Derived Translation Planes. II.. Mathematische Zeitschrift, Tome 147 (1976) pp. 1-6. http://gdmltest.u-ga.fr/item/GDZPPN002417278/