@article{AFM_2013_38_2_a26,
     author = {Jussi V\"ais\"al\"a},
     title = {Tangential properties of quasihyperbolic geodesics in {Banach} spaces},
     journal = {Annales Fennici Mathematici},
     pages = {825--837},
     publisher = {mathdoc},
     volume = {38},
     number = {2},
     year = {2013},
     doi = {10.5186/aasfm.2013.3843},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5186/aasfm.2013.3843/}
}