@article{SIGMA_2009_5_a95,
     author = {Hans Havlicek and Boris Odehnal and Metod Saniga},
     title = {Factor-Group-Generated {Polar} {Spaces} and {(Multi-)Qudits}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2009},
     volume = {5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2009_5_a95/}
}