Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{SF_1989__38_2_134967, author = {K.H. Hofmann and W.A.F. Ruppert}, title = {Foliations induced by congruences.}, journal = {Semigroup forum}, pages = {365--370}, publisher = {mathdoc}, volume = {38}, number = {2}, year = {1989}, zbl = {0663.22001}, url = {http://geodesic.mathdoc.fr/item/SF_1989__38_2_134967/} }
K.H. Hofmann; W.A.F. Ruppert. Foliations induced by congruences.. Semigroup forum, Tome 38 (1989) no. 2, pp. 365-370. http://geodesic.mathdoc.fr/item/SF_1989__38_2_134967/