@article{GDZPPN002229455,
title = {Some Homological properties of commutative semitrivial ring extensions.},
journal = {Manuscripta mathematica},
volume = {64},
year = {1989},
pages = {45-68},
zbl = {0669.13003},
url = {http://dml.mathdoc.fr/item/GDZPPN002229455}
}
Valtonen, Erik. Some Homological properties of commutative semitrivial ring extensions.. Manuscripta mathematica, Tome 64 (1989) pp. 45-68. http://gdmltest.u-ga.fr/item/GDZPPN002229455/