%0 Journal Article %A Bieske, Thomas %T A comparison principle for a class of subparabolic equations in Grushin-type spaces %J Electronic journal of differential equations %D 2007 %V 2007 %U http://geodesic.mathdoc.fr/item/EJDE_2007__2007__a237/ %G en %F EJDE_2007__2007__a237