Veselý, Libor; Zajíček, Luděk A non-DC function which is DC along all convex curves. (English) Zbl 1387.26029 J. Math. Anal. Appl. 463, No. 1, 167-175 (2018). MSC: 26B25 26A51 PDF BibTeX XML Cite \textit{L. Veselý} and \textit{L. Zajíček}, J. Math. Anal. Appl. 463, No. 1, 167--175 (2018; Zbl 1387.26029) Full Text: DOI Link OpenURL
Ginchev, Ivan; Gintcheva, Denitza Characterization and recognition of d.c. functions. (English) Zbl 1284.26014 J. Glob. Optim. 57, No. 3, 633-647 (2013). MSC: 26B25 49J52 PDF BibTeX XML Cite \textit{I. Ginchev} and \textit{D. Gintcheva}, J. Glob. Optim. 57, No. 3, 633--647 (2013; Zbl 1284.26014) Full Text: DOI OpenURL
Ginchev, Ivan; Martínez-Legaz, Juan-Enrique Characterization of d.c. Functions in terms of quasidifferentials. (English) Zbl 1229.90137 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 74, No. 17, 6781-6787 (2011). MSC: 90C26 26B25 49J52 PDF BibTeX XML Cite \textit{I. Ginchev} and \textit{J.-E. Martínez-Legaz}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 74, No. 17, 6781--6787 (2011; Zbl 1229.90137) Full Text: DOI OpenURL