Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MS2_1968__23_166072, author = {Louis J. Nachman}, title = {Hyperspaces of {Proximity} {Spaces.}}, journal = {Mathematica Scandinavica}, pages = {201--213}, publisher = {mathdoc}, volume = {23}, year = {1968}, zbl = {0182.56402}, url = {http://geodesic.mathdoc.fr/item/MS2_1968__23_166072/} }
Louis J. Nachman. Hyperspaces of Proximity Spaces.. Mathematica Scandinavica, Tome 23 (1968), pp. 201-213. http://geodesic.mathdoc.fr/item/MS2_1968__23_166072/