@article{oai:tohoku.repo.nii.ac.jp:00123213,
 author = {KONNO, Norio and MITSUHASHI, Hideo and SATO, Iwao},
 issue = {1},
 journal = {Interdisciplinary information sciences},
 month = {Mar},
 note = {紀要類（bulletin）},
 pages = {9--17},
 title = {The Discrete-time Quaternionic Quantum Walk and the Second Weighted Zeta Function on a Graph},
 volume = {23},
 year = {2017}
}