@article{MAN_1985__272_164019,
     author = {F Cossec and I. Dolgachev},
     title = {Smooth {Rational} {Curves} on {Enriques} {Surfaces.}},
     journal = {Mathematische Annalen},
     pages = {369--384},
     publisher = {mathdoc},
     volume = {272},
     year = {1985},
     zbl = {0545.14024},
     url = {http://geodesic.mathdoc.fr/item/MAN_1985__272_164019/}
}