Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{PORMA_1981__40_4_115475, author = {Bolondi, Giorgio}, title = {Existence of open quasiconvex subsets dense in a given space}, journal = {Portugaliae mathematica}, pages = {457--462}, publisher = {mathdoc}, volume = {40}, number = {4}, year = {1981}, mrnumber = {0836109}, zbl = {0575.32014}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1981__40_4_115475/} }
Bolondi, Giorgio. Existence of open quasiconvex subsets dense in a given space. Portugaliae mathematica, Tome 40 (1981) no. 4, pp. 457-462. http://geodesic.mathdoc.fr/item/PORMA_1981__40_4_115475/