@article{10_4064_fm_68_2_215_223,
     author = {Dale Rolfsen},
     title = {Characterizing the 3-cell by its metric},
     journal = {Fundamenta Mathematicae},
     pages = {215--223},
     publisher = {mathdoc},
     volume = {68},
     number = {2},
     year = {1970},
     doi = {10.4064/fm-68-2-215-223},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-68-2-215-223/}
}