群ホップ代数
↑ Montgomery, Susan (1993). Hopf algebras and their actions on rings. Expanded version of ten lectures given at the CBMS Conference on Hopf algebras and their actions on rings, which took place at DePaul University in Chicago, USA, August 10-14, 1992. Regional Conference Series in Mathematics. 82. Providence, RI: American Mathematical Society. p. 8. ISBN 978-0-8218-0738-5. Zbl 0793.16029
↑ Dăscălescu, S.; Raianu, Ş.; Van Oystaeyen, F. (1998). “Smash (co)products from adjunctions”. In Caenepeel, Stefaan; Verschoren, A.. Rings, Hopf algebras, and Brauer groups.