@article{AIHPA_1978__29_1_1_0,
     author = {Dubois, Jean-Guy and Dufour, Jean-Paul},
     title = {La th\'eorie des catastrophes. {V.} {Transform\'ees} de {Legendre} et thermodynamique},
     journal = {Annales de l'institut Henri Poincar\'e. Section A, Physique Th\'eorique},
     pages = {1--50},
     publisher = {Gauthier-Villars},
     volume = {29},
     number = {1},
     year = {1978},
     mrnumber = {512423},
     zbl = {0407.58016},
     language = {fr},
     url = {http://www.numdam.org/item/AIHPA_1978__29_1_1_0/}
}