@article{00036488, title = {A note on ordered planes.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {15}, year = {1992}, pages = {199-202}, doi = {10.1155/S0161171292000231}, zbl = {0762.54026}, language = {en}, url = {http://dml.mathdoc.fr/item/00036488} }
Gamon, Margaret A.; Kent, Darrell C. A note on ordered planes.. International Journal of Mathematics and Mathematical Sciences, Tome 15 (1992) pp. 199-202. doi : 10.1155/S0161171292000231. http://gdmltest.u-ga.fr/item/00036488/