The following publications are possibly variants of this publication:
- Degree sum conditions and vertex-disjoint cycles in a graphShinya Fujita, Hajime Matsumura, Masao Tsugaki, Tomoki Yamashita. ajc, 35:237-252, 2006. [doi]
- Disjoint Cycles and Chorded Cycles in GraphsYunshu Gao, Guojun Li, Jonathan Z. Sun, Jin Yan. fcs 2008: 9-13
- A degree sum condition for graphs to be covered by two cyclesShuya Chiba, Masao Tsugaki. DM, 310(13-14):1864-1874, 2010. [doi]