Baškienė, Angelė. “On Differential Geometry of Tangent and Cotangent Bundles of Riemannian Manifold”. Lietuvos matematikos rinkinys 39, no. III (December 17, 1999): 169–173. Accessed November 26, 2025. https://www.zurnalai.vu.lt/LMR/article/view/35552.