@article{GDZPPN002347628, title = {Lorentzmetrik in der Algebra der komplexen 4-Matrizen.}, journal = {Mathematica Scandinavica}, volume = {14}, year = {1964}, pages = {120-128}, zbl = {0123.00405}, url = {http://dml.mathdoc.fr/item/GDZPPN002347628} }
Weier, Josef. Lorentzmetrik in der Algebra der komplexen 4-Matrizen.. Mathematica Scandinavica, Tome 14 (1964) pp. 120-128. http://gdmltest.u-ga.fr/item/GDZPPN002347628/