%0 Journal Article %A Grivaux, Sophie %A Rychtář, Jan %T Invariant subspaces of $X^{**}$ under the action of biconjugates %J Czechoslovak Mathematical Journal %D 2006 %P 61-77 %V 56 %N 1 %I mathdoc %U https://geodesic-test.mathdoc.fr/item/CMJ_2006__56_1_a5/ %G en %F CMJ_2006__56_1_a5