@article{1225113597, author = {TODORCEVIC, Stevo}, title = {The first derived limit and compactly $F\_{\sigma}$ sets}, journal = {J. Math. Soc. Japan}, volume = {50}, number = {4}, year = {1998}, pages = { 831-836}, language = {en}, url = {http://dml.mathdoc.fr/item/1225113597} }
TODORCEVIC, Stevo. The first derived limit and compactly $F_{\sigma}$ sets. J. Math. Soc. Japan, Tome 50 (1998) no. 4, pp. 831-836. http://gdmltest.u-ga.fr/item/1225113597/