The variational theory of geodesics by Postnikov, M. M. fromDover books on advanced mathematics 0 Type: Book
The variational Theory of geodesics by Postnikov, M. M. fromDover books on advanced mathematics 0 Type: Book
Geometry: Riemannian geometry by Gamkrelidze, R. V., Osserman, Robert, Postnikov, M. M., Burago, Jurij Dmitrievič, Vinberg, Ėrnest Borisovič, Zalgaller, Viktor Abramovič, Resetnjak, Jurij Grigor'evic 0 Type: Book
