@article{oai:ynu.repo.nii.ac.jp:00011367,
 author = {Endo, Takako and Konno, Norio and Obuse, Hideaki},
 journal = {Yokohama Mathematical Journal},
 month = {},
 pages = {1--59},
 title = {Relation between two-phase quantum walks and the topological invariant},
 volume = {66},
 year = {2020}
}