On the representations of the fundamental group
Compositio Mathematica, Tome 33 (1976) no. 1, pp. 29-41. 
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     author = {Nori, Madhav V.},
     title = {On the representations of the fundamental group},
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     zbl = {0337.14016},
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     url = {http://archive.numdam.org/item/CM_1976__33_1_29_0/}
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Nori, Madhav V. On the representations of the fundamental group. Compositio Mathematica, Tome 33 (1976) no. 1, pp. 29-41. http://archive.numdam.org/item/CM_1976__33_1_29_0/

[1] A. Grothendieck: Éléments de Géométrie Algébrique. I.H.E.S. Publications, 24, 1965. | Numdam | Zbl

[2] Saavedra Rivano: Catégories Tannakiennes. Lecture Notes, 265, Springer-Verlag 1972. | MR | Zbl

[3] C.S. Seshadri: Space of unitary vector bundles on a compact Riemann surface. Annals of Math., 85, (1967) 303-336. | MR | Zbl

[4] A. Weil: Généralisation des fonctions abeliennes. Journal de Mathématiques Pures et Appliqués, 17 (1938) 47-87. | JFM | Numdam | Zbl