@article{10_4064_ap99_2_7, author = {M. P. Dussan and M. Magid}, title = {Timelike {Christoffel} pairs in the split-quaternions}, journal = {Annales Polonici Mathematici}, pages = {201--214}, publisher = {mathdoc}, volume = {99}, number = {2}, year = {2010}, doi = {10.4064/ap99-2-7}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/ap99-2-7/} }