Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{PORMA_1963__22_4_114911, author = {McWilliams, R.D.}, title = {On the $w^*$-sequential closure of subspaces of {Banach} spaces}, journal = {Portugaliae mathematica}, pages = {209--214}, publisher = {mathdoc}, volume = {22}, number = {4}, year = {1963}, zbl = {0132.08904}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1963__22_4_114911/} }
McWilliams, R.D. On the $w^*$-sequential closure of subspaces of Banach spaces. Portugaliae mathematica, Tome 22 (1963) no. 4, pp. 209-214. http://geodesic.mathdoc.fr/item/PORMA_1963__22_4_114911/