TY  - JOUR
AU  - Ingegerd Palmér
TI  - The global homological dimension of semi-trival extensions of rings.
JO  - Mathematica Scandinavica
PY  - 1975
SP  - 223
EP  - 256
VL  - 37
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MS2_1975__37_166442/
ID  - MS2_1975__37_166442
ER  -