@article{ASNSP_1975_4_2_1_1_0,
     author = {Gieseker, D.},
     title = {Flat vector bundles and the fundamental group in non-zero characteristics},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {1--31},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 2},
     number = {1},
     year = {1975},
     mrnumber = {382271},
     zbl = {0322.14009},
     language = {en},
     url = {http://www.numdam.org/item/ASNSP_1975_4_2_1_1_0/}
}