%0 Journal Article %A Voicu, Mihail %A Pastravanu, Octavian %T Time-domain and parametric $L^2$-properties corresponding to Popov inequality %J Kybernetika %D 2002 %P 617-629 %V 38 %N 5 %U http://geodesic.mathdoc.fr/item/KYB_2002_38_5_a9/ %G en %F KYB_2002_38_5_a9