%0 Journal Article %A Amato, Roberto %T A fundamental estimate and an inequality of Caccioppoli's type for nonlinear parabolic systems of higher order %J Czechoslovak Mathematical Journal %D 1991 %P 422-428 %V 41 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1991.102476/ %R 10.21136/CMJ.1991.102476 %G en %F 10_21136_CMJ_1991_102476