TY  - JOUR
AU  - Lurdes Sousa
TI  - On the pullback stability of a quotient map with respect to a closure 
operator
JO  - Theory and applications of categories
PY  - 2001
SP  - 100
EP  - 113
VL  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TAC_2001_8_a5/
LA  - en
ID  - TAC_2001_8_a5
ER  -