TY  - JOUR
AU  - Manfred Dugas
AU  - Bernhard Thomé
TI  - The Functor Bext under the Negation of CH.
JO  - Forum mathematicum
PY  - 1991
SP  - 23
EP  - 34
VL  - 3
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FORUM_1991__3_2_186412/
ID  - FORUM_1991__3_2_186412
ER  -