@phdthesis{THESE_1938__199__1_0,
     author = {Couffignal, Louis},
     title = {Sur l'analyse m\'ecanique. {Application} aux machines \`a calculer et aux calculs de la m\'ecanique c\'eleste},
     series = {Th\`eses de l'entre-deux-guerres},
     number = {199},
     year = {1938},
     language = {fr},
     url = {http://www.numdam.org/item/THESE_1938__199__1_0/}
}