@article{MZ_1994__216_4_174673,
     author = {Peter Dr\"axler},
     title = {On the density of fiber sum factors.},
     journal = {Mathematische Zeitschrift},
     pages = {645--656},
     publisher = {mathdoc},
     volume = {216},
     number = {4},
     year = {1994},
     zbl = {0812.16018},
     url = {http://geodesic.mathdoc.fr/item/MZ_1994__216_4_174673/}
}