@article{AFM_2011_36_2_a19,
     author = {Enrico Le Donne},
     title = {Metric spaces with unique tangents},
     journal = {Annales Fennici Mathematici},
     pages = {683--694},
     publisher = {mathdoc},
     volume = {36},
     number = {2},
     year = {2011},
     doi = {10.5186/aasfm.2011.3636},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5186/aasfm.2011.3636/}
}