@article{MAN_1996__305_2_182989,
     author = {L. Ferrer and A. Martinez and F. Mil\'an},
     title = {Symmetry and uniqueness of parabolic affine spheres.},
     journal = {Mathematische Annalen},
     pages = {311--328},
     publisher = {mathdoc},
     volume = {305},
     number = {2},
     year = {1996},
     zbl = {0873.53005},
     url = {http://geodesic.mathdoc.fr/item/MAN_1996__305_2_182989/}
}