53B20: Local Riemannian geometry
Volume 11, Number 1 (2011), 103 - 109
Affine Osserman Connections on 2-Dimensional Manifolds
A. S. Diallo
Volume 11, Number 1 (2011), 1 - 23
Pseudo-Szabo Operators and Lightlike Szabo Hypersurfaces
C. Atindogbe, O. Lungiambudila and J. Tossa