@phdthesis{THESE_1934__161__1_0,
     author = {Poli, Louis},
     title = {Sur les propri\'et\'es infinit\'esimales des mouvements \`a deux param\`etres},
     series = {Th\`eses de l'entre-deux-guerres},
     number = {161},
     year = {1934},
     language = {fr},
     url = {http://www.numdam.org/item/THESE_1934__161__1_0/}
}