@article{MAN_1988__280_3_164382,
     author = {Michael Schneider and Alessandro Tancredi},
     title = {Almost-Positiv {Vector} {Bundles} on {Projective} {Surfaces.}},
     journal = {Mathematische Annalen},
     pages = {537--548},
     publisher = {mathdoc},
     volume = {280},
     number = {3},
     year = {1988},
     zbl = {0685.14015},
     url = {http://geodesic.mathdoc.fr/item/MAN_1988__280_3_164382/}
}