TY  - BOOK
AU  - Sury, B
TI  - Congruence Subgroup Problem:An Elementary Approach Aimed at Applications
U1  - 512.2 
PY  - 2003///
CY  - New York
PB  - Robert e Krieger
KW  - Natiral Sciences
KW  - MathematicsAlgebraMathematics
KW  - General Stack
ER  -