@article{TRSPY_2009_267_a12,
     author = {S. Izumiya and D. Pei and M. C. Romero Fuster},
     title = {Spacelike {Surfaces} in {Anti} de {Sitter} {Four-Space} from {a~Contact} {Viewpoint}},
     journal = {Informatics and Automation},
     pages = {164--181},
     publisher = {mathdoc},
     volume = {267},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_2009_267_a12/}
}