%0 Journal Article %A Marco Fuhrman %T Analyticity of transition semigroups and closability of bilinear forms in Hilbert spaces %J Studia Mathematica %D 1995 %P 53-71 %V 115 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4064/sm-115-1-53-71/ %R 10.4064/sm-115-1-53-71 %G en %F 10_4064_sm_115_1_53_71