TY  - BOOK
AU  - Montgomery, Susan
TI  - Hopf Algebras and their actions on rings
T2  - CBMS Regional conference series in mathematics
SN  - 9780821807385
PY  - 1993///
CY  - Providence
PB  - American Mathematical Society 
KW  - Hopf Algebras - Congresses
KW  - Associative Rings - Congresses
N1  - Paperback
ER  -