A lower bound on the size of k-neighborhood in generalized cubes.

Xiaofan Yang Graham M. Megson Jianqiu Cao Jun Luo A lower bound on the size of k-neighborhood in generalized cubes. 47-54 2006 179 Applied Mathematics and Computation 1 http://dx.doi.org/10.1016/j.amc.2005.11.080 db/journals/amc/amc179.html#YangMCL06