TY  - JOUR
AU  - Peter Johnstone
TI  - The Gleason cover of a realizability topos
JO  - Theory and applications of categories
PY  - 2013
SP  - 1139
EP  - 1152
VL  - 28
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TAC_2013_28_a31/
LA  - en
ID  - TAC_2013_28_a31
ER  -