@article{JLT_2004_14_2_JLT_2004_14_2_a13,
     author = {Z. Reichstein and N. Vonessen},
     title = {Stable {Affine} {Models} for {Algebraic} {Group} {Actions}},
     journal = {Journal of Lie theory},
     pages = {563--568},
     year = {2004},
     volume = {14},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/JLT_2004_14_2_JLT_2004_14_2_a13/}
}