On normally flat Einstein submanifolds. Verstraelen, Leopold; Zafindratafa, Georges — 1997 International Journal of Mathematics and Mathematical Sciences
Conformally flat submanifolds Jean-Marie Morvan; Georges Zafindratafa Annales de la Faculté des sciences de Toulouse : Mathématiques
On Riemann and Weyl Compatible Tensors Ryszard Deszcz; Małgorzata Głogowska; Jan Jełowicki; Miroslava Petrović-Torgašev; Georges Zafindratafa — 2013 Publications de l'Institut Mathématique