@article{CM_1994__91_3_277_0,
     author = {Ebeling, Wolfgang and Okonek, Christian},
     title = {Homology {Hopf} surfaces},
     journal = {Compositio Mathematica},
     pages = {277--304},
     publisher = {Kluwer Academic Publishers},
     volume = {91},
     number = {3},
     year = {1994},
     mrnumber = {1273652},
     zbl = {0813.57019},
     language = {en},
     url = {http://archive.numdam.org/item/CM_1994__91_3_277_0/}
}