@article{10_4153_CMB_1987_013_2,
     author = {Lipschutz, Seymour},
     title = {On {Weighted} {Geodesics} in {Groups}},
     journal = {Canadian mathematical bulletin},
     pages = {86--91},
     year = {1987},
     volume = {30},
     number = {1},
     doi = {10.4153/CMB-1987-013-2},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1987-013-2/}
}