Arnol’d, V. I. Critical points of smooth functions and their normal forms. (English) Zbl 0343.58001 Russ. Math. Surv. 30, No. 5, 1-75 (1975). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 4 ReviewsCited in 40 Documents MSC: 58C25 Differentiable maps on manifolds 32N99 Automorphic functions 14H20 Singularities of curves, local rings 57R70 Critical points and critical submanifolds in differential topology 14H45 Special algebraic curves and curves of low genus PDF BibTeX XML Cite \textit{V. I. Arnol'd}, Russ. Math. Surv. 30, No. 5, 1--75 (1975; Zbl 0343.58001) Full Text: DOI Digital Library of Mathematical Functions: Diffraction Catastrophes ‣ §36.2(i) Definitions ‣ §36.2 Catastrophes and Canonical Integrals ‣ Properties ‣ Chapter 36 Integrals with Coalescing Saddles Chapter 36 Integrals with Coalescing Saddles