publication venue for
- A Lie algebra structure on variation vector fields along curves in 2-dimensonal space forms. 94-104. 2015
- Relativistic particles and the geometry of 4-D null curves. 2124-2135. 2007
- Lightlike Hypersurfaces of Lorentzian Manifolds with Distinguished Screen. 107-122. 2005
- s-Degenerate curves in Lorentzian space forms. 116-129. 2003