Si est un espace infratonnelé, on démontre que tout sous-espace , de codimension finie, est infratonnelé.
If is an infrabarrelled space, it is proved that any subspace , of finite codimension, is infrabarrelled.
@article{AIF_1971__21_2_1_0, author = {Valdivia, Manuel}, title = {A hereditary property in locally convex spaces}, journal = {Annales de l'Institut Fourier}, volume = {21}, year = {1971}, pages = {1-2}, doi = {10.5802/aif.367}, mrnumber = {48 \#11967}, zbl = {0205.40903}, language = {en}, url = {http://dml.mathdoc.fr/item/AIF_1971__21_2_1_0} }
Valdivia, Manuel. A hereditary property in locally convex spaces. Annales de l'Institut Fourier, Tome 21 (1971) pp. 1-2. doi : 10.5802/aif.367. http://gdmltest.u-ga.fr/item/AIF_1971__21_2_1_0/
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