@article{AIF_1973__23_2_31_0,
     author = {Guckenheimer, John},
     title = {Catastrophes and partial differential equations},
     journal = {Annales de l'Institut Fourier},
     pages = {31--59},
     publisher = {Imprimerie Durand},
     address = {28 - Luisant},
     volume = {23},
     number = {2},
     year = {1973},
     doi = {10.5802/aif.455},
     zbl = {0271.35006},
     mrnumber = {51 #1879},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/articles/10.5802/aif.455/}
}