@article{10_4064_cm_44_1_53_57,
     author = {Thakyin Hu and W. A. Kirk},
     title = {On local isometries and isometries in metric spaces},
     journal = {Colloquium Mathematicum},
     pages = {53--57},
     year = {1981},
     volume = {44},
     number = {1},
     doi = {10.4064/cm-44-1-53-57},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-44-1-53-57/}
}