@misc{SSL_1954-1955__1__A1_0,
     title = {Avertissement},
     journal = {S\'eminaire "Sophus Lie"},
     eid = {1},
     pages = {3--3},
     publisher = {Secr\'etariat math\'ematique},
     volume = {1},
     year = {1954-1955},
     language = {fr},
     url = {http://www.numdam.org/item/SSL_1954-1955__1__A1_0/}
}