TY - JOUR AU - Lacko, VladimĂ­r TI - Persistency in the Traveling Salesman Problem on Halin graphs JO - Discussiones Mathematicae. Graph Theory PY - 2000 SP - 231 EP - 242 VL - 20 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DMGT_2000_20_2_a6/ LA - en ID - DMGT_2000_20_2_a6 ER -