%0 Journal Article %A M. A. Wotulo %T Application of the irregular spectra to the harmonic analysis of empirical functions %J Matematic̀Œki vesnik %D 1972 %P 69 %V 24 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MV_1972_24_1_a11/ %F MV_1972_24_1_a11