多元数
Springer. pp. 147–159. ISBN 978-0-387-90838-0. https://books.google.com/books?id=b7NYvQEACAAJ
Olariu, Silviu (2002). Complex Numbers in N Dimensions. North-Holland Mathematics Studies. 190. Elsevier. ISBN 0-444-51123-7
Sabadini, Irene; Shapiro, Michael; Sommen, Frank, eds (2009). Hypercomplex Analysis and Applications. Birkhauser. ISBN 978-3-7643-9892-7
Taber, Henry (1904). “On Hypercomplex Number Systems”. Transactions of the American Mathematical Society 5 (4): 509–548. doi:10.2307/1986280. JSTOR 1986280.
Wedderburn, J.H. (1908). “On Hypercomplex Numbers”. Proceedings of the London Mathematical Society s2-6 (1): 77–118. doi:10.1112/plms/s2-6.1.77. https://zenodo.org/record/1447798.
doi:10.1007/BF01187794. オリジナルの2016-03-29時点におけるアーカイブ。. https://web.archive.org/web/20160329230805/http://gdz.sub.uni-goettingen.de/index.php?id=11&PPN=GDZPPN002371448&L=1.
↑ 独訳: Hyperkomplexe Zahlen. Leipzig: BSB B.G. Teubner Verlagsgesellschaft. (1978) ; 英訳: Hypercomplex numbers. Berlin, New York: Springer-Verlag. (1989). ISBN 978-0-387-96980-0. MR996029. https://archive.org/details/hypercomplexnumb0000kant ; 日本語訳:浅野洋、笠原久弘 訳『超複素数入門: 多元環へのアプローチ』森北出版、1999年。
↑ Parshall, Karen (1985). “Joseph H. M. Wedderburn and the structure theory of algebras”. Archive for History of Exact Sciences 32 (3–4): 223–349. doi:10.1007/BF00348450.
↑ Molien, Theodor (1893). “Über Systeme höherer complexer Zahlen”.