@article{GDZPPN002310821,
title = {Unstable Bundles and Branched Structures on Riemann Surfaces.},
journal = {Mathematische Annalen},
volume = {217},
year = {1975},
pages = {49-60},
zbl = {0294.30007},
url = {http://dml.mathdoc.fr/item/GDZPPN002310821}
}
Mandelbaum, Richard. Unstable Bundles and Branched Structures on Riemann Surfaces.. Mathematische Annalen, Tome 217 (1975) pp. 49-60. http://gdmltest.u-ga.fr/item/GDZPPN002310821/