@article{CMH_1974__49_139592,
     author = {Th. Vust},
     title = {Sur le type principal d'orbites d'un module rationnel},
     journal = {Commentarii mathematici Helvetici},
     pages = {408--416},
     publisher = {mathdoc},
     volume = {49},
     year = {1974},
     zbl = {0309.22015},
     url = {http://geodesic.mathdoc.fr/item/CMH_1974__49_139592/}
}