Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{ARM_1977__13_2_a7, author = {\v{S}marda, Bohumil}, title = {Polars on closure spaces}, journal = {Archivum mathematicum}, pages = {117--124}, publisher = {mathdoc}, volume = {13}, number = {2}, year = {1977}, mrnumber = {0460192}, zbl = {0374.06008}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ARM_1977__13_2_a7/} }
Šmarda, Bohumil. Polars on closure spaces. Archivum mathematicum, Tome 13 (1977) no. 2, pp. 117-124. http://geodesic.mathdoc.fr/item/ARM_1977__13_2_a7/