@article{10_4064_cm_77_1_33_39,
     author = {David Grow and Matt Insall},
     title = {Further properties of an extremal set of uniqueness},
     journal = {Colloquium Mathematicum},
     pages = {33--39},
     publisher = {mathdoc},
     volume = {77},
     number = {1},
     year = {1998},
     doi = {10.4064/cm-77-1-33-39},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-77-1-33-39/}
}