@article{MASLO_1998__48_3_a0,
     author = {Galeana-S\'anchez, Hortensia and Neumann-Lara, V.},
     title = {On the dichromatic number in kernel theory},
     journal = {Mathematica slovaca},
     pages = {213--219},
     publisher = {mathdoc},
     volume = {48},
     number = {3},
     year = {1998},
     mrnumber = {1647678},
     zbl = {0937.05048},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1998__48_3_a0/}
}