@article{MZ_1968__105_170986,
     author = {Wolmer V. Vasconcelos},
     title = {A {Note} on {Normality} an the {Module} of {Differentials.}},
     journal = {Mathematische Zeitschrift},
     pages = {291--293},
     publisher = {mathdoc},
     volume = {105},
     year = {1968},
     zbl = {0169.36301},
     url = {http://geodesic.mathdoc.fr/item/MZ_1968__105_170986/}
}