@phdthesis{THESE_1944__261__1_0,
     author = {Oudart, A.},
     title = {Sur le sch\'ema de {Helmholtz-Kirchhoff}},
     series = {Th\`eses de l'entre-deux-guerres},
     year = {1944},
     number = {261},
     language = {fr},
     url = {https://www.numdam.org/item/THESE_1944__261__1_0/}
}