@article{DMGT_2004_24_2_a1,
     author = {Galeana-S\'anchez, Hortensia},
     title = {Some sufficient conditions on odd directed cycles of bounded length for the existence of a kernel},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {171--182},
     publisher = {mathdoc},
     volume = {24},
     number = {2},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2004_24_2_a1/}
}