%0 Journal Article %A Zajíček, Luděk %T On the differentiation of convex functions in finite and infinite dimensional spaces %J Czechoslovak Mathematical Journal %D 1979 %P 340-348 %V 29 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1979.101616/ %R 10.21136/CMJ.1979.101616 %G en %F 10_21136_CMJ_1979_101616