%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 %V 17 %I mathdoc %U http://geodesic.mathdoc.fr/item/PDA_1989_17_a0/ %G en %F PDA_1989_17_a0