@article{MZ_1970__115_171339,
     author = {Rodney Y. Sharp},
     title = {Gorenstein {Modules.}},
     journal = {Mathematische Zeitschrift},
     pages = {117--139},
     publisher = {mathdoc},
     volume = {115},
     year = {1970},
     url = {http://geodesic.mathdoc.fr/item/MZ_1970__115_171339/}
}