TY  - BOOK
AU  - Humphreys James E
TI  - Representations of semisimple Lie algebras in the BGG category O
SN  - 978-0-8218-4678-0
U1  - 512.482 
PY  - 2008///
CY  - Providence
PB  - AMS
KW  - Categories (Mathematics)
KW  - Representations of Lie algebras
ER  -