@article{JOLT_2007_17_4_a2,
     author = {J. T. Horwood},
     title = {Lie {Group} {Invariants} of {Inhomogeneous} {Polynomial} {Vector} {Spaces}},
     journal = {Journal of Lie Theory},
     pages = {731--750},
     year = {2007},
     volume = {17},
     number = {4},
     zbl = {1136.53009},
     url = {http://geodesic.mathdoc.fr/item/JOLT_2007_17_4_a2/}
}