@article{10_4007_annals_2004_159_251,
     author = {Adrian Langer},
     title = {Semistable sheaves in positive characteristic},
     journal = {Annals of mathematics},
     pages = {251--276},
     publisher = {mathdoc},
     volume = {159},
     number = {1},
     year = {2004},
     doi = {10.4007/annals.2004.159.251},
     mrnumber = {2144978},
     zbl = {1080.14014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4007/annals.2004.159.251/}
}