%0 Journal Article %A T. Kato %T Growth properties of solutions of the reduced wave equation with a variable coefficient %J Matematika %D 1961 %P 115-135 %V 5 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAT_1961_5_1_a4/ %G ru %F MAT_1961_5_1_a4