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@article{JRAM_1973__258_151281, author = {R. Park and E. Grassmann}, title = {A characterization of collineations by order geometry.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {79--86}, publisher = {mathdoc}, volume = {258}, year = {1973}, zbl = {0248.53054}, url = {http://geodesic.mathdoc.fr/item/JRAM_1973__258_151281/} }
R. Park; E. Grassmann. A characterization of collineations by order geometry.. Journal für die reine und angewandte Mathematik, Tome 258 (1973), pp. 79-86. http://geodesic.mathdoc.fr/item/JRAM_1973__258_151281/