%0 Journal Article %A KulcsĂ rova, Olga %T A note on the extension of functionals %J Acta Universitatis Lodziensis. Folia Mathematica %D 1991 %V 04 %I mathdoc %U http://geodesic.mathdoc.fr/item/AULFM_1991_04_a11/ %G en %F AULFM_1991_04_a11