@article{IVM_1973_6_a5,
     author = {F. I. Kagan},
     title = {Riemannian metrics in the tangent bundle over {a~Riemannian} manifold},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {42--51},
     publisher = {mathdoc},
     number = {6},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1973_6_a5/}
}