@article{JOLT_2022_32_1_a5,
     author = {Ming Xu},
     title = {Left {Invariant} {Spray} {Structure} on a {Lie} {Group}},
     journal = {Journal of Lie Theory},
     pages = {121--138},
     year = {2022},
     volume = {32},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/JOLT_2022_32_1_a5/}
}