1. Foliations and Geometric Structures;Bejancu,2006
2. Einstein Manifolds;Besse,2008
3. The Ricci Flow: An Introduction;Chow,2004
4. Natural transformations of Riemannian metrics on manifolds to metrics on tangent bundles. A classification;Kowalski;Bull. Tokyo Gakugei Univ.,1988
5. Some classes of almost anti-Hermitian structures on the tangent bundle;Oproiu;Mediterr. J. Math.,2004