%0 Journal Article %A Kolomý, Josef %T A note on Banach spaces and sub differentials of convex functions %J Acta Universitatis Carolinae. Mathematica et Physica %D 1992 %P 73-83 %V 33 %N 2 %I mathdoc %U https://geodesic-test.mathdoc.fr/item/AUCMP_1992__33_2_a9/ %G en %F AUCMP_1992__33_2_a9