@incollection{XUPS_1997____55_0,
     author = {Paul Zimmermann},
     title = {Calcul formel~: ce qu{\textquoteright}il y a dans la bo{\^\i}te},
     booktitle = {Calcul formel},
     series = {Journ\'ees math\'ematiques X-UPS},
     pages = {55--72},
     publisher = {Les \'Editions de l{\textquoteright}\'Ecole polytechnique},
     year = {1997},
     doi = {10.5802/xups.1997-03},
     language = {fr},
     url = {https://proceedings.centre-mersenne.org/articles/10.5802/xups.1997-03/}
}