%0 Journal Article %A Z. Siar %T Trigonometric factorizations of the Horadam sequence and its companion sequence %J Izvestiya. Mathematics %D 2018 %P 1265-1277 %V 82 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_2018_82_6_a7/ %G en %F IM2_2018_82_6_a7