%0 Journal Article %A John N. Mather %T Stability of $C^\infty $ mappings, IV. Classification of stable germs by $R$-algebras %J Publications Mathématiques de l'IHÉS %D 1969 %P 223-248 %V 37 %I Institut des Hautes Études Scientifiques %U https://pmihes.centre-mersenne.org/articles/10.1007/BF02684889/ %R 10.1007/BF02684889 %G en %F PMIHES_1969__37__223_0