@article{GDZPPN002062879,
title = {Cohomological characterisations of saturated formations and homomorphs of finite groups.},
journal = {Commentarii mathematici Helvetici},
volume = {53},
year = {1978},
pages = {165-173},
zbl = {0383.20032},
url = {http://dml.mathdoc.fr/item/GDZPPN002062879}
}
Stammbach, U.; Barnes, D.W.; Schmid, P. Cohomological characterisations of saturated formations and homomorphs of finite groups.. Commentarii mathematici Helvetici, Tome 53 (1978) pp. 165-173. http://gdmltest.u-ga.fr/item/GDZPPN002062879/