@article{10_5427_jsing_2017_16h,
     author = {Shyuichi Izumiya and Ana Claudia Nabarro, and Andrea de Jesus Sacramento},
     title = {Horospherical and hyperbolic dual surfaces of spacelike curves in de {Sitter} space},
     journal = {Journal of Singularities},
     pages = {180--193},
     publisher = {mathdoc},
     volume = {16},
     year = {2017},
     doi = {10.5427/jsing.2017.16h},
     url = {http://geodesic.mathdoc.fr/articles/10.5427/jsing.2017.16h/}
}