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Author: Araujo, José

• Araujo, José; Keilhauer, Guillermo: Natural tensor fields of type $(0,2)$ on the tangent and cotangent bundles of a semi-Riemannian manifold. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 39 (2000), issue 1, pp. (7)-16