%0 Journal Article %A D. Djurović %T Pseudo-Harmonic Signal Variations Generated by Labrouste Transforms of the Class $\Pi (T)$ %J Publications of the Department of Astronomy %D 1989 %P 5 - 13 %V 17 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/PDA_1989_17_1_a0/ %F PDA_1989_17_1_a0