@article{1103043970, author = {Sobczyk, Andrew}, title = {Simple families of lines.}, journal = {Pacific J. Math.}, volume = {6}, number = {4}, year = {1956}, pages = { 541-552}, language = {en}, url = {http://dml.mathdoc.fr/item/1103043970} }
Sobczyk, Andrew. Simple families of lines.. Pacific J. Math., Tome 6 (1956) no. 4, pp. 541-552. http://gdmltest.u-ga.fr/item/1103043970/