%0 Journal Article %A Patricio Aviles %A Allen Weitsman %T On the singularities of certain nonlinear partial differential equations %J Annales Fennici Mathematici %D 1982 %P 147-156 %V 7 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1982.0713/ %R 10.5186/aasfm.1982.0713 %G en %F AFM_1982_7_2_a3