@incollection{AST_1976__40__117_0,
     author = {Lanford III, Oscar E.},
     title = {On a derivation of the {Boltzmann} equation},
     booktitle = {International conference on dynamical systems in mathematical physics},
     series = {Ast\'erisque},
     pages = {117--137},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {40},
     year = {1976},
     mrnumber = {459449},
     zbl = {0353.70020},
     language = {en},
     url = {http://www.numdam.org/item/AST_1976__40__117_0/}
}