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\(C^1\)-equivalence of functions near isolated critical points. (English) Zbl 0236.58001

Sympos. infinite dim. Topology, Baton Rouge 1967, Ann. Math. Stud. 69, 199-218 (1972).

MSC:

58C25 Differentiable maps on manifolds
57R70 Critical points and critical submanifolds in differential topology
58C05 Real-valued functions on manifolds
58A20 Jets in global analysis