%0 Journal Article %A Campero-Alonzo, José Manuel %A Sánchez-López, Rocío %T H-Kernels in Unions of H-Colored Quasi-Transitive Digraphs %J Discussiones Mathematicae. Graph Theory %D 2021 %P 391-408 %V 41 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DMGT_2021_41_2_a3/ %G en %F DMGT_2021_41_2_a3