References
- Byott , N.p. 1995 . Hopf orders and a generalisation of theorem of L.R . Algebra , 177 : 409 – 433 .
- Childs , L.N. 1986 . Products of Galois objects and the Picard invariant map, Math. J . Okayama Univ , 28 : 29 – 36 .
- Montgomery , S. 1993 . Hopf algebras and their actions on rings , ISLAND : American Mathematical Society .
- Pareigis , B. 1971 . When Hopf algebras are Frobenius algebras . J. Algebra , 18 : 588 – 596 .
- Wenninger , C.H. 1991 . Corestriction of Galois algebras . J. Algebra , 144 : 359 – 370 .