@article{1102968560, author = {Kelly, L. M. and Rottenberg, R.}, title = {Simple points in pseudoline arrangements.}, journal = {Pacific J. Math.}, volume = {43}, number = {3}, year = {1972}, pages = { 617-622}, language = {en}, url = {http://dml.mathdoc.fr/item/1102968560} }
Kelly, L. M.; Rottenberg, R. Simple points in pseudoline arrangements.. Pacific J. Math., Tome 43 (1972) no. 3, pp. 617-622. http://gdmltest.u-ga.fr/item/1102968560/