@article{AFM_2002_27_1_a0,
     author = {Nikolai V. Ivanov},
     title = {A short proof of {non-Gromov} hyperbolicity of {Teichm\"uller} spaces},
     journal = {Annales Fennici Mathematici},
     pages = {3--5},
     year = {2002},
     volume = {27},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AFM_2002_27_1_a0/}
}