@article{1103858002, author = {Yodzis, P.}, title = {Lorentz cobordism}, journal = {Comm. Math. Phys.}, volume = {24}, number = {2}, year = {1972}, pages = { 39-52}, language = {en}, url = {http://dml.mathdoc.fr/item/1103858002} }
Yodzis, P. Lorentz cobordism. Comm. Math. Phys., Tome 24 (1972) no. 2, pp. 39-52. http://gdmltest.u-ga.fr/item/1103858002/