The following publications are possibly variants of this publication:
- The Number of Shortest Paths in the (::::n::::, ::::k::::)-Star GraphsEddie Cheng, Ke Qiu, Zhizhang Shen. cocoa 2010: 222-236 [doi]
- Distance formula and shortest paths for the (n, k)-star graphsEddie Cheng, Jerrold W. Grossman, László Lipták, Ke Qiu, Zhizhang Shen. isci, 180(9):1671-1680, 2010. [doi]