Fusho, Takesi, and Shyuichi Izumiya. “Lightlike Surfaces of Spacelike Curves in De Sitter 3-Space”. Journal of Geometry, vol. 88, no. 1-2, 2008, pp. 19-29, https://doi.org/10.1007/s00022-007-1944-5.
Fusho, T., & Izumiya, S. (2008). Lightlike surfaces of spacelike curves in de Sitter 3-space. Journal of Geometry, 88(1-2), 19-29. https://doi.org/10.1007/s00022-007-1944-5
Fusho, Takesi, and Shyuichi Izumiya. “Lightlike Surfaces of Spacelike Curves in De Sitter 3-Space”. Journal of Geometry 88, no. 1-2 (2008): 19-29. https://doi.org/10.1007/s00022-007-1944-5.
Fusho T, Izumiya S. Lightlike surfaces of spacelike curves in de Sitter 3-space. Journal of Geometry. 2008;88(1-2):19-2.