%0 Journal Article %A Neto, Alcides Lins %T Local structural stability of $C^2$ integrable 1-forms %J Annales de l'Institut Fourier %D 1977 %P 197-225 %V 27 %N 2 %I Institut Fourier %C Grenoble %U http://www.numdam.org/articles/10.5802/aif.657/ %R 10.5802/aif.657 %G en %F AIF_1977__27_2_197_0