@article{PDML_1970__7_1_86_0, author = {Brissaud, Marcel}, title = {Sur une extension d'un th\'eor\`eme de {Tortrat}}, journal = {Publications du D\'epartement de math\'ematiques (Lyon)}, pages = {86--103}, publisher = {Universit\'e Claude Bernard - Lyon 1}, volume = {7}, number = {1}, year = {1970}, zbl = {0216.46104}, mrnumber = {296985}, language = {fr}, url = {http://archive.numdam.org/item/PDML_1970__7_1_86_0/} }