TY  - BOOK
AU  - Sommerhauser,Yorck
AU  - Zhu,Yongchang
TI  - Hopf algebras and congruence subgroups
T2  - Memoirs of the American Mathematical Society,
AV  - QA613.8 .S666 2012
U1  - 512/.55 23
PY  - 2012///
CY  - Providence, Rhode Island
PB  - American Mathematical Society
KW  - Hopf algebras
KW  - Modular groups
KW  - Electronic books
N1  - "September 2012 , Volume 219, Number 1028 (first of 5 numbers)."; Includes bibliographical references and index
UR  - https://ebookcentral.proquest.com/lib/bacm-ebooks/detail.action?docID=3114441
ER  -