Pilyugin, S. Yu. Über die Anzahl der periodischen Punkte eines Diffeomorphismus. (Russian) Zbl 0423.58014 Mat. Zametki 25, 933-938 (1979). MSC: 37C25 PDFBibTeX XMLCite \textit{S. Yu. Pilyugin}, Mat. Zametki 25, 933--938 (1979; Zbl 0423.58014)
Liao, Shan-tao An extension of the \(C^1\) closing lemma. (Chinese) Zbl 0422.58024 Kexue Tongbao 24, 865-868 (1979). MSC: 37G99 37G15 PDFBibTeX XMLCite \textit{S.-t. Liao}, Kexue Tongbao, Sci. Bull. 24, 865--868 (1979; Zbl 0422.58024)
Osipenko, G. S. The behavior of solutions of differential equations near invariant manifolds. (English) Zbl 0422.58021 Differ. Equations 15, 179-185 (1979). MSC: 37C75 34D30 37C10 PDFBibTeX XMLCite \textit{G. S. Osipenko}, Differ. Equations 15, 179--185 (1979; Zbl 0422.58021)