@article{SIGMA_2008_4_a8,
     author = {Max Chaves and Douglas Singleton},
     title = {A~Unified {Model} of {Phantom} {Energy} and {Dark} {Matter}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2008},
     volume = {4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2008_4_a8/}
}