TY  - JOUR
AU  - Martin Huber
AU  - Paul C. Eklof
TI  - Abelian group extensions and the axiom of constructibility.
JO  - Commentarii mathematici Helvetici
PY  - 1979
SP  - 440
EP  - 457
VL  - 54
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMH_1979__54_139796/
ID  - CMH_1979__54_139796
ER  -