%0 Journal Article %A Z. I. Rekhlitskii %T Boundedness tests for solutions of linear differential equations with variable lag of argument %J Doklady Akademii Nauk %D 1958 %P 447-449 %V 118 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1958_118_3_a7/ %G ru %F DAN_1958_118_3_a7