@article{TMF_1979_38_1_a6,
     author = {A. N. Aleksandrov and K. A. Piragas},
     title = {Gfodesic structure},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {71--83},
     publisher = {mathdoc},
     volume = {38},
     number = {1},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1979_38_1_a6/}
}