@article{SD_1954-1955__8__A3_0,
     author = {Lazard, M.},
     title = {Groupes de {Lie} formels \`a un param\`etre},
     journal = {S\'eminaire Albert Ch\^atelet et Paul Dubreil},
     note = {talk:5 et 7},
     pages = {1--31},
     year = {1954-1955},
     publisher = {Secr\'etariat math\'ematique},
     volume = {8},
     language = {fr},
     url = {https://www.numdam.org/item/SD_1954-1955__8__A3_0/}
}