Kulbacka, Elzbieta Sur l’ensemble des points ou existent les dérivées de tous les ordres. (French) Zbl 0393.26004 Bull. Acad. Pol. Sci., Sér. Sci. Math. Astron. Phys. 26, 389-394 (1978). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 2 Reviews MSC: 26A24 Differentiation (real functions of one variable): general theory, generalized derivatives, mean value theorems Keywords:Derivatives of All Orders; Real Continuous Functions; Boundary Delta-Set; S-Singular Points PDFBibTeX XMLCite \textit{E. Kulbacka}, Bull. Acad. Pol. Sci., Sér. Sci. Math. Astron. Phys. 26, 389--394 (1978; Zbl 0393.26004)