%0 Journal Article %A Jarušková, Daniela %T Siegel's test for periodic components in multiple time series and its application in engineering practice %J Kybernetika %D 1988 %P 130-138 %V 24 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_1988__24_2_a4/ %G en %F KYB_1988__24_2_a4