@article{MZM_2010_87_2_a0,
     author = {A. A. Borisenko and E. A. Olin},
     title = {The {Global} {Structure} of {Locally} {Convex} {Hypersurfaces} in {Finsler--Hadamard} {Manifolds}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {163--174},
     publisher = {mathdoc},
     volume = {87},
     number = {2},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2010_87_2_a0/}
}