@article{DAN_1979_248_1_a8,
     author = {A. D. Milka},
     title = {Shortest arcs on convex surfaces},
     journal = {Doklady Akademii Nauk},
     pages = {34--36},
     publisher = {mathdoc},
     volume = {248},
     number = {1},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1979_248_1_a8/}
}