TY  - DATA
AU  - Butler, Lynne M.
TI  - Subgroup lattices and symmetric functions 
T2  - Memoirs of the American Mathematical Society, 
SN  - 9781470401184 (online)
PY  - 1994///
CY  - Providence, RI
PB  - American Mathematical Society
UR  - http://www.ams.org/memo/0539
ER  -