Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MAT_1961_5_4_a2, author = {K. Fan}, title = {Linear inequalities and closure properties in normed linear spaces}, journal = {Matematika}, pages = {117--122}, publisher = {mathdoc}, volume = {5}, number = {4}, year = {1961}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MAT_1961_5_4_a2/} }
K. Fan. Linear inequalities and closure properties in normed linear spaces. Matematika, Tome 5 (1961) no. 4, pp. 117-122. http://geodesic.mathdoc.fr/item/MAT_1961_5_4_a2/