TY - JOUR AU - Marija Ivanović TI - Improved Mixed Integer Linear Programing Formulations for Roman Domination Problem JO - Publications de l'Institut Mathématique PY - 2016 SP - 51 VL - _N_S_99 IS - 113 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.2298/PIM1613051I/ DO - 10.2298/PIM1613051I LA - en ID - 10_2298_PIM1613051I ER -