@article{10_4171_dm_284,
     author = {Benedictus Margaux},
     title = {Vanishing of {Hochschild} cohomology for affine group schemes and rigidity of homomorphisms between algebraic groups},
     journal = {Documenta mathematica},
     pages = {653--672},
     year = {2009},
     volume = {14},
     doi = {10.4171/dm/284},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/284/}
}