1 Mather J. Stability of C1 mappings II, Infinitesimal stability implies stability. Ann of Math, 1969,
89:254-291
2 Mather J. Stability of C1 mappings III, Finitely determined mapgerms. Publ Math IHES, 1968, 35:
127-156
3 Wassermann G. Stability of unfoldings. Springer Lecture Notes in Mathematics 393. Berlin: Springer-
Verlag, 1974
4 Wassermann G. Stability of unfoldings in space and time. Acta Mathematica, 1975, 135: 57-128
5 Xiong J. Classification of (2,2)-stable unfoldings of map germs with codimentions 4. Acta Mathematica
Sinica, New Series, 1996, 12:415-432
6 Zeeman E C. Catastrophe Theory. Selected Papers, 1972-1977. Addison-Wesley, Reading, Mass, 1977 |