@article{AFST_1939_4_3__155_0,
     author = {J. Kuntzmann},
     title = {Contribution \`a l'\'etude des syst\`emes multiformes},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {155--194},
     year = {1939},
     publisher = {Gauthier-Villars, Libraire-\'Editeur},
     address = {Paris},
     volume = {4e s{\'e}rie, 3},
     doi = {10.5802/afst.410},
     zbl = {0024.29803},
     language = {fr},
     url = {https://afst.centre-mersenne.org/articles/10.5802/afst.410/}
}