%0 Journal Article %A Guckenheimer, John %T Catastrophes and partial differential equations %J Annales de l'Institut Fourier %D 1973 %P 31-59 %V 23 %N 2 %I Institut Fourier %C Grenoble %U https://aif.centre-mersenne.org/articles/10.5802/aif.455/ %R 10.5802/aif.455 %G en %F AIF_1973__23_2_31_0