@article{DMGT_2022_42_1_a2,
     author = {Colucci, Lucas and Gy\H{o}ri, Ervin},
     title = {On {L(2,} {1)-Labelings} of {Oriented} {Graphs}},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {39--46},
     publisher = {mathdoc},
     volume = {42},
     number = {1},
     year = {2022},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2022_42_1_a2/}
}