Sch??mas en groupes, espaces homog??nes et espaces alg??briques sur une base de dimension 1, Mémoires de la S. M. F., tome 33, pp.5-79, 1973. ,
DOI : 10.24033/msmf.109
Extension of finite solvable torsors over a curve, Manuscripta Mathematica, vol.66, issue.4, pp.179-194, 2013. ,
DOI : 10.1007/s00229-012-0535-4
On the abelian fundamental group scheme of a family of varieties, Israel Journal of Mathematics, vol.64, issue.1, pp.427-446, 2011. ,
DOI : 10.1007/s11856-011-0147-9
Sur l'existence du schéma en groupes fondamental ,
Néron models, 1980. ,
DOI : 10.1007/978-3-642-51438-8
Heights of vector bundles and the fundamental group scheme of a curve, Duke Math, J, vol.117, issue.2, pp.287-311, 2003. ,
Algebraic geometry I. Schemes. With examples and exercises, Advanced Lectures in Mathematics ,
RevêtementsRevêtementsétales et groupe fondamental, pp.1960-61 ,
Tannakian duality over Dedekind rings and applications ,
Stable reflexive sheaves, Mathematische Annalen, vol.47, issue.2, pp.121-176, 1980. ,
DOI : 10.1007/BF01467074
The fundamental group scheme of a smooth projective variety over a ring of Witt vectors, pp.341-351, 2013. ,
Arithmetic duality theorems, Perspectives in Mathematics, vol.1, 1986. ,
The fundamental group-scheme, Proceedings Mathematical Sciences, vol.17, issue.2, pp.73-122, 1982. ,
DOI : 10.1007/BF02967978
The fundamental group-scheme of an abelian variety, Mathematische Annalen, vol.VII, issue.3, pp.263-266, 1983. ,
DOI : 10.1007/BF01457128
Passage au quotient par une relation d'´ equivalence plate, Proceedings of a Conference on Local Fields, pp.78-85, 1967. ,
p-groupes et réduction semi-stable des courbes, The Grothendieck Festschrift, Progr. Math, vol.88, pp.179-197, 1990. ,
Schémas en groupes de type, Bulletin de la Société Mathématique de France, pp.241-280, 1974. ,
Effective Models and Extension of Torsors over a d.v.r. of Unequal Characteristic, International Mathematics Research Notices, vol.2008, pp.111-68, 2008. ,
Introduction to affine group schemes, GTM, 1979. ,
One-dimensional affine group schemes, Journal of Algebra, vol.66, issue.2, pp.550-568, 1980. ,
DOI : 10.1016/0021-8693(80)90104-0