@article{GDZPPN002481286, title = {Injektive Moduln \"uber Ringen linearer Differentialoperatoren.}, journal = {Monatshefte f\"ur Mathematik}, volume = {85}, year = {1978}, pages = {189-202}, zbl = {0365.16016}, url = {http://dml.mathdoc.fr/item/GDZPPN002481286} }
Hauger, Günther. Injektive Moduln über Ringen linearer Differentialoperatoren.. Monatshefte für Mathematik, Tome 85 (1978) pp. 189-202. http://gdmltest.u-ga.fr/item/GDZPPN002481286/