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@article{MOMA_1991__111_1_178521, author = {G\"unter F. Steinke}, title = {The {Elation} {Group} of a {4-DImensional} {Laguerre} {Plane.}}, journal = {Monatshefte f\"ur Mathematik}, pages = {207--232}, publisher = {mathdoc}, volume = {111}, number = {1}, year = {1991}, zbl = {0746.51008}, url = {http://geodesic.mathdoc.fr/item/MOMA_1991__111_1_178521/} }
Günter F. Steinke. The Elation Group of a 4-DImensional Laguerre Plane.. Monatshefte für Mathematik, Tome 111 (1991) no. 1, pp. 207-232. http://geodesic.mathdoc.fr/item/MOMA_1991__111_1_178521/