@article{PMIHES_1969__37__223_0, author = {Mather, John}, title = {Stability of $C^\infty $ mappings, IV. Classification of stable germs by $R$-algebras}, journal = {Publications Math\'ematiques de l'IH\'ES}, pages = {223--248}, publisher = {Institut des Hautes \'Etudes Scientifiques}, volume = {37}, year = {1969}, zbl = {0202.55102}, mrnumber = {43 \#1215b}, language = {en}, url = {http://www.numdam.org/item/PMIHES_1969__37__223_0/} }
Mather, John N. Stability of $C^\infty $ mappings, IV. Classification of stable germs by $R$-algebras. Publications Mathématiques de l'IHÉS, Tome 37 (1969) , pp. 223-248. http://www.numdam.org/item/PMIHES_1969__37__223_0/
[1] Stability of C∞ mappings : III. Finitely Determined Map-Germs, Publ. Math I.H.E.S., no 35 (1968), p. 127-156. | Numdam | Zbl 0159.25001
,