%0 Journal Article %A M. A. Rutman %T Criteria for the boundedness of solutions of linear partial differential equations with a leading term %J Doklady Akademii Nauk %D 1962 %P 789-792 %V 147 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1962_147_4_a11/ %G ru %F DAN_1962_147_4_a11