@article{MM2_1985__50_155052,
     author = {Michael Schneider and A. Tancredi},
     title = {Positive {Vector} {Bundles} on {Complex} {Surfaces.}},
     journal = {Manuscripta mathematica},
     pages = {133--144},
     publisher = {mathdoc},
     volume = {50},
     year = {1985},
     zbl = {0572.32015},
     url = {http://geodesic.mathdoc.fr/item/MM2_1985__50_155052/}
}