Gavurin, M. K.; Samokish, B. A. Remarks on the definition of the stability of computational algorithms. (Russian) Zbl 0258.65062 Metody Vychisl. 6, 13-21 (1970). Reviewer: Josef Mikloško MSC: 65J05 47A50 PDFBibTeX XML
Yorke, James A. Differential inequalities and non-Lipschitz scalar functions. (English) Zbl 0231.34047 Math. Syst. Theory 4, 140-153 (1970). MSC: 34D20 34A40 PDFBibTeX XMLCite \textit{J. A. Yorke}, Math. Syst. Theory 4, 140--153 (1970; Zbl 0231.34047) Full Text: DOI