%0 Journal Article %A Mattson, Don A. %T Discrete Subsets of Proximity Spaces %J Canadian journal of mathematics %D 1979 %P 225-230 %V 31 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1979-023-3/ %R 10.4153/CJM-1979-023-3 %F 10_4153_CJM_1979_023_3