@article{oai:tsukuba.repo.nii.ac.jp:00015793,
 author = {Tamano, Ken-ichi},
 issue = {2},
 journal = {Tsukuba Journal of Mathematics},
 month = {Dec},
 pages = {233--236},
 title = {Dimension of k-leaders},
 volume = {9},
 year = {1985}
}