@article{DMGT_2011_31_2_a4,
     author = {Galeana-S\'anchez, Hortensia},
     title = {Kernels by monochromatic paths and the color-class digraph},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {273--281},
     publisher = {mathdoc},
     volume = {31},
     number = {2},
     year = {2011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2011_31_2_a4/}
}