@article{DOCMA_2009__14__a6,
     author = {Margaux, Benedictus},
     title = {Vanishing of {Hochschild} cohomology for affine group schemes and rigidity of homomorphisms between algebraic groups.},
     journal = {Documenta mathematica},
     pages = {653--672},
     publisher = {mathdoc},
     volume = {14},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DOCMA_2009__14__a6/}
}