TY - JOUR AU - Hell, Pavol AU - Hernández-Cruz, César TI - On the Complexity of the 3-Kernel Problem in Some Classes of Digraphs JO - Discussiones Mathematicae. Graph Theory PY - 2014 SP - 167 EP - 185 VL - 34 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DMGT_2014_34_1_a13/ LA - en ID - DMGT_2014_34_1_a13 ER -