@article{IM_1983__71_142989,
     author = {G.A. Margulis and A.T. Huckleberry},
     title = {Invariant {Analytic} {Hypersurfaces.}},
     journal = {Inventiones mathematicae},
     pages = {235--240},
     publisher = {mathdoc},
     volume = {71},
     year = {1983},
     zbl = {0507.32024},
     url = {http://geodesic.mathdoc.fr/item/IM_1983__71_142989/}
}