%0 Journal Article %A Waldemar PopiƄski %T On discrete Fourier spectrum of a harmonic with random frequency modulation %J Applicationes Mathematicae %D 2013 %P 99-108 %V 40 %N 1 %U https://geodesic-test.mathdoc.fr/item/APME_2013__40_1_280074/ %G en %F APME_2013__40_1_280074