@article{MM2_1977__22_154499,
     author = {W.V. Vasconcelos and Sarah Glaz},
     title = {Flat {Ideals} {II.}},
     journal = {Manuscripta mathematica},
     pages = {325--342},
     publisher = {mathdoc},
     volume = {22},
     year = {1977},
     zbl = {0367.13002},
     url = {http://geodesic.mathdoc.fr/item/MM2_1977__22_154499/}
}