Li, Ruijuan; Shi, Jie; Zhang, Xinhong Seymour vertices in a quasi-transitive oriented graph. (Chinese. English summary) Zbl 1463.05227 Appl. Math., Ser. A (Chin. Ed.) 35, No. 2, 245-252 (2020). MSC: 05C20 PDFBibTeX XMLCite \textit{R. Li} et al., Appl. Math., Ser. A (Chin. Ed.) 35, No. 2, 245--252 (2020; Zbl 1463.05227) Full Text: DOI
Li, Ruijuan; Han, Tingting Arc-disjoint Hamiltonian cycles and paths in positive-round digraphs. (Chinese. English summary) Zbl 1399.05132 Appl. Math., Ser. A (Chin. Ed.) 32, No. 4, 487-492 (2017). MSC: 05C38 05C45 05C20 PDFBibTeX XMLCite \textit{R. Li} and \textit{T. Han}, Appl. Math., Ser. A (Chin. Ed.) 32, No. 4, 487--492 (2017; Zbl 1399.05132)