TY  - JOUR
AU  - Eng, Oliver D.
TI  - Quotients of Poincaré polynomials evaluated at $-1$
JO  - Journal of Algebraic Combinatorics
PY  - 2001
SP  - 29
EP  - 40
VL  - 13
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JAC_2001__13_1_a4/
LA  - en
ID  - JAC_2001__13_1_a4
ER  -