%0 Journal Article %A A. V. Konashenko %T A criterion for the bessel property of systems of the form $\{\exp(i\lambda_nt)\sin(\mu_nt)\}$ and $\{\exp(i\lambda_nt)\cos(\mu_nt)\}$ %J Differencialʹnye uravneniâ %D 2000 %P 731-735 %V 36 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2000_36_6_a1/ %G ru %F DE_2000_36_6_a1