%0 Journal Article %A T. Álvarez %T Characterisations of open multivalued linear operators %J Studia Mathematica %D 2006 %P 205-212 %V 175 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4064/sm175-3-1/ %R 10.4064/sm175-3-1 %G en %F 10_4064_sm175_3_1