@article{oai:matsuyama-u-r.repo.nii.ac.jp:00000901,
 author = {石川, 忠孝 and Ishikawa, Tadataka},
 issue = {1},
 journal = {松山大学論集, Matsuyama University review},
 month = {Apr},
 note = {4, KJ00004262983, 論説, Article},
 pages = {21--33},
 title = {行列の階数(ランク)の求め方に関する一考察},
 volume = {13},
 year = {2001},
 yomi = {イシカワ, タダタカ}
}