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@article{MZ_1976__148_172344, author = {Michael Walker}, title = {The {Collineation} {Groups} of {Derived} {Translation} {Planes.} {II.}}, journal = {Mathematische Zeitschrift}, pages = {1--6}, publisher = {mathdoc}, volume = {148}, year = {1976}, zbl = {0329.50002}, url = {http://geodesic.mathdoc.fr/item/MZ_1976__148_172344/} }
Michael Walker. The Collineation Groups of Derived Translation Planes. II.. Mathematische Zeitschrift, Tome 148 (1976), pp. 1-6. http://geodesic.mathdoc.fr/item/MZ_1976__148_172344/