@article{AFM_2014_39_1_a3,
     author = {Viktoriia V. Bilet and Oleksiy A. Dovgoshey},
     title = {Boundedness of pretangent spaces to general metric spaces},
     journal = {Annales Fennici Mathematici},
     pages = {73--82},
     year = {2014},
     volume = {39},
     number = {1},
     doi = {10.5186/aasfm.2014.3902},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5186/aasfm.2014.3902/}
}