@article{SIGMA_2011_7_a38,
     author = {Jesse Alt},
     title = {Essential {Parabolic} {Structures} and {Their} {Infinitesimal} {Automorphisms}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2011},
     volume = {7},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2011_7_a38/}
}