%0 Journal Article %A Martino Prizzi %T On admissibility for parabolic equations in ${\Bbb R}^n$ %J Fundamenta Mathematicae %D 2003 %P 261-275 %V 176 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm176-3-5/ %R 10.4064/fm176-3-5 %G en %F 10_4064_fm176_3_5