%0 Journal Article %A Michálek, Jiří %T Associated spectra of some non-stationary processes %J Kybernetika %D 1988 %P 428-438 %V 24 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_1988__24_6_a2/ %G en %F KYB_1988__24_6_a2