@article{10_4153_CJM_2017_038_8,
     author = {Cohen, David Bruce},
     title = {Lipschitz 1-connectedness for {Some} {Solvable} {Lie} {Groups}},
     journal = {Canadian journal of mathematics},
     pages = {533--555},
     year = {2019},
     volume = {71},
     number = {3},
     doi = {10.4153/CJM-2017-038-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2017-038-8/}
}