@article{oai:tsukuba.repo.nii.ac.jp:00016104,
 author = {Nieminen, Juhani},
 issue = {2},
 journal = {Tsukuba Journal of Mathematics},
 month = {Dec},
 pages = {393--398},
 title = {Graphs and finite distributive partial lattices},
 volume = {11},
 year = {1987}
}