@article{GDZPPN002414449, title = {Sur la th\'eorie du contact maximal.}, journal = {Mathematische Zeitschrift}, volume = {136}, year = {1974}, pages = {285-310}, zbl = {0275.32003}, url = {http://dml.mathdoc.fr/item/GDZPPN002414449} }
Giraud, Jean. Sur la théorie du contact maximal.. Mathematische Zeitschrift, Tome 136 (1974) pp. 285-310. http://gdmltest.u-ga.fr/item/GDZPPN002414449/