@article{VMUMM_2006_2_a11,
     author = {A. A. Logachev},
     title = {Geodesic flows of invariant metrics on {Lie} groups of dimension $3$},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {54--56},
     publisher = {mathdoc},
     number = {2},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2006_2_a11/}
}