%0 Journal Article %A X. Lenin Xaviour %A S. Ancy Mary %T On double signal number of a graph %J Ural mathematical journal %D 2022 %P 64-75 %V 8 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/UMJ_2022_8_1_a6/ %G en %F UMJ_2022_8_1_a6