@article{MS2_1972__31_166251,
     author = {Idun Reiten and Robert Fossum},
     title = {Commutative {n-Gorenstein} {Rings.}},
     journal = {Mathematica Scandinavica},
     pages = {33--48},
     publisher = {mathdoc},
     volume = {31},
     year = {1972},
     zbl = {0256.13016},
     url = {http://geodesic.mathdoc.fr/item/MS2_1972__31_166251/}
}