@article{01784592, title = {To the isotropic generalization of Wallace lines.}, journal = {Beitr\"age zur Algebra und Geometrie}, volume = {43}, year = {2002}, pages = {39-42}, zbl = {1006.51020}, language = {en}, url = {http://dml.mathdoc.fr/item/01784592} }
Tölke, Jürgen. To the isotropic generalization of Wallace lines.. Beiträge zur Algebra und Geometrie, Tome 43 (2002) pp. 39-42. http://gdmltest.u-ga.fr/item/01784592/