@article{MZ_1971__120_171510,
     author = {Morita and Kiiti},
     title = {Flat {Modules,} {Injective} {Modules} and {Quotient} {Rings.}},
     journal = {Mathematische Zeitschrift},
     pages = {25--40},
     publisher = {mathdoc},
     volume = {120},
     year = {1971},
     zbl = {0203.34203},
     url = {http://geodesic.mathdoc.fr/item/MZ_1971__120_171510/}
}