@phdthesis{THESE_1942__247__1_0,
     author = {Chamard, Charles-Henri},
     title = {Contribution \`a l'\'etude des machines \`a calculer. {De} l'extraction des racines. {Annexe} sur la division et la multiplication automatiques},
     series = {Th\`eses de l'entre-deux-guerres},
     number = {247},
     year = {1942},
     language = {fr},
     url = {http://www.numdam.org/item/THESE_1942__247__1_0/}
}