@article{DMTCS_2005_special_250_a76,
     author = {Galeana-S\'anchez, Hortensia and Guevara, Mucuy-Kak},
     title = {Kernel perfect and critical kernel imperfect digraphs structure},
     journal = {Discrete mathematics & theoretical computer science},
     year = {2005},
     volume = {DMTCS Proceedings vol. AE, European Conference on Combinatorics, Graph Theory and Applications (EuroComb '05)},
     doi = {10.46298/dmtcs.3467},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.46298/dmtcs.3467/}
}