@article{MAN_1984__267_163916,
     author = {F. Knop and H. Lange},
     title = {Commutative {Algebraic} {Groups} and {Intersections} of {Quadrics.}},
     journal = {Mathematische Annalen},
     pages = {555--571},
     publisher = {mathdoc},
     volume = {267},
     year = {1984},
     zbl = {0544.14028},
     url = {http://geodesic.mathdoc.fr/item/MAN_1984__267_163916/}
}