@article{SPHM_1980___1_A1_0,
     author = {Girard, Jean-Yves},
     title = {Les d\'emonstrations de coh\'erence de l'arithm\'etique},
     journal = {S\'eminaire de Philosophie et Math\'ematiques},
     pages = {1--6},
     publisher = {IREM Paris-Nord~; \'Ecole Normale Sup\'erieure},
     number = {1},
     year = {1980},
     language = {fr},
     url = {http://www.numdam.org/item/SPHM_1980___1_A1_0/}
}