@article{10_4064_fm_86_2_163_192,
     author = {B. Ball and R. Sher},
     title = {A theory of proper shape for locally compact metric spaces},
     journal = {Fundamenta Mathematicae},
     pages = {163--192},
     publisher = {mathdoc},
     volume = {86},
     number = {2},
     year = {1974},
     doi = {10.4064/fm-86-2-163-192},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-86-2-163-192/}
}