@article{MZ_1990__203_3_174132,
     author = {Jozsef Horvath},
     title = {A {Dimension} {Theorem} for {Vectors} {Fixed} by {Unipotent} {Groups.}},
     journal = {Mathematische Zeitschrift},
     pages = {335--338},
     publisher = {mathdoc},
     volume = {203},
     number = {3},
     year = {1990},
     zbl = {0664.20022},
     url = {http://geodesic.mathdoc.fr/item/MZ_1990__203_3_174132/}
}