Derivatives with Respect to Lifts of the Riemannian Metric of the FormatfG˜ =Sgf +H g on TM Over a Riemannian Manifold (M, g). Punjab Univ. J. Math. [Internet]. 2025 May 16 [cited 2025 Jun. 29];51(1):1-8. Available from: https://pujm.pu.edu.pk/index.php/pujm/article/view/398