@article{IM_1990__101_2_143802,
     author = {E. Viehweg},
     title = {Weak positivity and the stability of certain {Hilbert} points, {II.}},
     journal = {Inventiones mathematicae},
     pages = {191--224},
     publisher = {mathdoc},
     volume = {101},
     number = {2},
     year = {1990},
     zbl = {0721.14007},
     url = {http://geodesic.mathdoc.fr/item/IM_1990__101_2_143802/}
}