@article{MT_2012_15_1_a6,
     author = {A. D. Mazhitova},
     title = {The geodesic flow of {a~sub-Riemannian} metric  on a~solvable lie group},
     journal = {Matemati\v{c}eskie trudy},
     pages = {120--128},
     publisher = {mathdoc},
     volume = {15},
     number = {1},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MT_2012_15_1_a6/}
}