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@article{AM2_1981__23_136918, author = {Raymond Stettler}, title = {Zur {Linearit\"at} 2-dimensionaler {Raum-Zeit-Transformationen.}}, journal = {Aequationes mathematicae}, pages = {266--276}, publisher = {mathdoc}, volume = {23}, year = {1981}, zbl = {0533.51003}, url = {http://geodesic.mathdoc.fr/item/AM2_1981__23_136918/} }
Raymond Stettler. Zur Linearität 2-dimensionaler Raum-Zeit-Transformationen.. Aequationes mathematicae, Tome 23 (1981), pp. 266-276. http://geodesic.mathdoc.fr/item/AM2_1981__23_136918/