@article{oai:tohoku.repo.nii.ac.jp:00128220,
 author = {OBATA, Nobuaki},
 issue = {2},
 journal = {Interdisciplinary information sciences},
 month = {Dec},
 note = {紀要類（bulletin）},
 pages = {171--174},
 title = {Quadratic Embedding Constants of Wheel Graphs},
 volume = {23},
 year = {2017}
}