%0 Journal Article %A Oertel, F. %T Operators with extension property and the principle of local reflexivity %J Acta Universitatis Carolinae. Mathematica et Physica %D 1996 %P 55-63 %V 37 %N 2 %I mathdoc %U https://geodesic-test.mathdoc.fr/item/AUCMP_1996__37_2_a6/ %G en %F AUCMP_1996__37_2_a6