@article{BAG_1975__4_138123,
     author = {H.J. FITZNER and M. ROCZEN and G. PFISTER and W. KLEINERT and H. KURKE and Th. ZINK},
     title = {Modulprobleme in der algebraischen {Geometrie} {I}},
     journal = {Beitr\"age zur Algebra und Geometrie},
     pages = {93--150},
     publisher = {mathdoc},
     volume = {4},
     year = {1975},
     zbl = {0335.14004},
     url = {http://geodesic.mathdoc.fr/item/BAG_1975__4_138123/}
}