@article{INTG_1984_16_a4,
     author = {A. D. Milka},
     title = {Shortest paths on convex hypersurfaces},
     journal = {Itogi Nauki i Tekhniki. Seriya Problemy Geometrii. Trudy Geometricheskogo Seminara},
     pages = {155--194},
     year = {1984},
     volume = {16},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTG_1984_16_a4/}
}