The following publications are possibly variants of this publication:
- On cycles through a given vertex in multipartite tournamentsYubao Guo, Axel Pinkernell, Lutz Volkmann. DM, 164(1-3):165-170, 1997. [doi]
- Extendable Cycles in Multipartite TournamentsYubao Guo, Lutz Volkmann. gc, 20(2):185-190, 2004. [doi]
- Cycles in Multipartite TournamentsYubao Guo, Lutz Volkmann. JCT, 62(2):363-366, 1994. [doi]