%0 Journal Article %A Douglis, Avron %T Layering methods for nonlinear partial differential equations of first order %J Annales de l'Institut Fourier %D 1972 %P 141-227 %V 22 %N 3 %I Institut Fourier %C Grenoble %U https://aif.centre-mersenne.org/articles/10.5802/aif.428/ %R 10.5802/aif.428 %G en %F AIF_1972__22_3_141_0