@article{AIHPA_1974__20_2_113_0,
     author = {Dubois, Jean-Guy and Dufour, Jean-Paul},
     title = {La th\'eorie des catastrophes. {I.} {La} machine \`a catastrophes},
     journal = {Annales de l'institut Henri Poincar\'e. Section A, Physique Th\'eorique},
     pages = {113--134},
     publisher = {Gauthier-Villars},
     volume = {20},
     number = {2},
     year = {1974},
     mrnumber = {375376},
     zbl = {0293.58004},
     language = {fr},
     url = {http://www.numdam.org/item/AIHPA_1974__20_2_113_0/}
}