@article{SSL_1955-1956__2__A4_0,
     author = {Cartier, P.},
     title = {Hyperalg\`ebres et groupes formels},
     journal = {S\'eminaire "Sophus Lie"},
     note = {talk:2},
     pages = {1--6},
     publisher = {Secr\'etariat math\'ematique},
     volume = {2},
     year = {1955-1956},
     language = {fr},
     url = {http://www.numdam.org/item/SSL_1955-1956__2__A4_0/}
}