@article{IM_1977__42_142496,
     author = {W. Barth},
     title = {Moduli of {Vector} {Bundles} on the {Projective} {Plane.}},
     journal = {Inventiones mathematicae},
     pages = {63--92},
     publisher = {mathdoc},
     volume = {42},
     year = {1977},
     zbl = {0386.14005},
     url = {http://geodesic.mathdoc.fr/item/IM_1977__42_142496/}
}