Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{CMUC_1984__25_2_a17, author = {Simon, Petr}, title = {A closed separable subspace not being a retract of $\beta N$}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {364--365}, publisher = {mathdoc}, volume = {25}, number = {2}, year = {1984}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1984__25_2_a17/} }
TY - JOUR AU - Simon, Petr TI - A closed separable subspace not being a retract of $\beta N$ JO - Commentationes Mathematicae Universitatis Carolinae PY - 1984 SP - 364 EP - 365 VL - 25 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_1984__25_2_a17/ LA - en ID - CMUC_1984__25_2_a17 ER -
Simon, Petr. A closed separable subspace not being a retract of $\beta N$. Commentationes Mathematicae Universitatis Carolinae, Tome 25 (1984) no. 2, pp. 364-365. http://geodesic.mathdoc.fr/item/CMUC_1984__25_2_a17/