@article{IM_1987__88_143443,
     author = {C. Rotthaus},
     title = {On the approximation property of excellent rings.},
     journal = {Inventiones mathematicae},
     pages = {39--64},
     publisher = {mathdoc},
     volume = {88},
     year = {1987},
     zbl = {0614.13014},
     url = {http://geodesic.mathdoc.fr/item/IM_1987__88_143443/}
}