%0 Journal Article %A Colucci, Lucas %A Győri, Ervin %T On L(2, 1)-Labelings of Oriented Graphs %J Discussiones Mathematicae. Graph Theory %D 2022 %P 39-46 %V 42 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DMGT_2022_42_1_a2/ %G en %F DMGT_2022_42_1_a2