@article{DMTCS_2020_22_1_a1,
     author = {Omer, J\'er\'emy and Migot, Tangi},
     title = {Vertex order with optimal number of adjacent predecessors},
     journal = {Discrete mathematics & theoretical computer science},
     publisher = {mathdoc},
     volume = {22},
     number = {1},
     year = {2020-2021},
     doi = {10.23638/DMTCS-22-1-1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.23638/DMTCS-22-1-1/}
}