%0 Journal Article %A S. G. Shahinyan %T On a stability problem of systems with distributed parameters in case of time-dependent integrally-small perturbations %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 1990 %P 34-40 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_1990_3_a5/ %G ru %F UZERU_1990_3_a5