1. S.B. Akers, The star graph: An attractive alternative to the n-cube, in: Proc. Int’l Conf. Parallel Processing, 1987.
2. A group-theoretic model for symmetric interconnection networks;Akers;IEEE Trans. Comput.,1989
3. Unidirectional (n, k)-star graphs;Cheng;J. Interconnect. Netw.,2002
4. Uni-directional hypercubes;Chou,1990
5. Distances in orientations of graphs;Chvátal;J. Combin. Theory Ser. B,1978