%0 Journal Article %A Greenlee, Wilfred M. %T Rate of convergence in singular perturbations %J Annales de l'Institut Fourier %D 1968 %P 135-191 %V 18 %N 2 %I Institut Fourier %C Grenoble %U http://archive.numdam.org/articles/10.5802/aif.296/ %R 10.5802/aif.296 %G en %F AIF_1968__18_2_135_0