Khachatryan, N. K. The Hamiltonian property and systems of different representatives in families of subsets of vertices of a graph. (Russian) Zbl 0657.05053 Dokl., Akad. Nauk Arm. SSR 82, 198-201 (1986). MSC: 05C45 PDFBibTeX XMLCite \textit{N. K. Khachatryan}, Dokl., Akad. Nauk Arm. SSR 82, 198--201 (1986; Zbl 0657.05053)
Nikogosyan, Zh. G. On maximal cycle of a graph. (Russian) Zbl 0487.05047 Dokl. Akad. Nauk Arm. SSR 72, 82-87 (1981). MSC: 05C45 05C38 PDFBibTeX XMLCite \textit{Zh. G. Nikogosyan}, Dokl., Akad. Nauk Arm. SSR 72, 82--87 (1981; Zbl 0487.05047)
Kareyan, Z. A.; Mosesyan, K. M. The Hamilton number of the closure of an orgraph. (Russian) Zbl 0471.05034 Dokl. Akad. Nauk Arm. SSR 70, 129-132 (1980). MSC: 05C20 05C45 68R10 PDFBibTeX XMLCite \textit{Z. A. Kareyan} and \textit{K. M. Mosesyan}, Dokl., Akad. Nauk Arm. SSR 70, 129--132 (1980; Zbl 0471.05034)