%0 Journal Article %A Wolf von Wahl %T Extension of a result of Ladyženskaja and Uralceva concerning second-order parabolic equations of arbitrary order %J Annales Polonici Mathematici %D 1983 %P 63-72 %V 41 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-41-1-63-72/ %R 10.4064/ap-41-1-63-72 %G en %F 10_4064_ap_41_1_63_72