@article{GDZPPN002353539,
title = {The global homological dimension of semi-trival extensions of rings.},
journal = {Mathematica Scandinavica},
volume = {36},
year = {1975},
pages = {223-256},
zbl = {0327.16018},
url = {http://dml.mathdoc.fr/item/GDZPPN002353539}
}
Palmér, Ingegerd. The global homological dimension of semi-trival extensions of rings.. Mathematica Scandinavica, Tome 36 (1975) pp. 223-256. http://gdmltest.u-ga.fr/item/GDZPPN002353539/