@article{JMPA_1943_9_22__245_0,
     author = {Oudart, A.},
     title = {Sur le sch\'ema de {Helmholtz-Kirchhoff}},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {245--320},
     publisher = {Gauthier-Villars},
     volume = {9e s{\'e}rie, 22},
     year = {1943},
     zbl = {0061.43208},
     mrnumber = {17064},
     language = {fr},
     url = {http://www.numdam.org/item/JMPA_1943_9_22__245_0/}
}