@article{IM_1983__71_143003,
     author = {D.B. Leep and W.M. Schmidt},
     title = {Systems of {Homogeneous} {Equations.}},
     journal = {Inventiones mathematicae},
     pages = {539--550},
     year = {1983},
     volume = {71},
     zbl = {0504.10010},
     url = {http://geodesic.mathdoc.fr/item/IM_1983__71_143003/}
}