@article{GDZPPN00234033X, title = {An invariant for finitely presented ...G-modules.}, journal = {Mathematische Annalen}, volume = {302}, year = {1995}, pages = {325-338}, zbl = {0813.43004}, url = {http://dml.mathdoc.fr/item/GDZPPN00234033X} }
Paschke, William L. An invariant for finitely presented ...G-modules.. Mathematische Annalen, Tome 302 (1995) pp. 325-338. http://gdmltest.u-ga.fr/item/GDZPPN00234033X/