@article{1103857261, author = {H\aa j\'\i \v cek, P.}, title = {Causality in non-Hausdorff space-times}, journal = {Comm. Math. Phys.}, volume = {20}, number = {1}, year = {1971}, pages = { 75-84}, language = {en}, url = {http://dml.mathdoc.fr/item/1103857261} }
Håjíček, P. Causality in non-Hausdorff space-times. Comm. Math. Phys., Tome 20 (1971) no. 1, pp. 75-84. http://gdmltest.u-ga.fr/item/1103857261/