TY - JOUR AU - C. Papagianni AU - C. Pappas AU - N. Leflcaditis AU - I. Venieris TI - A Particle Swarm Optimization Approach to the Multi Level Capacitated Minimum Spanning Tree Problem JO - Mathematica balkanica PY - 2009 SP - 303 VL - 23 IS - 3-4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MABA_2009_23_3-4_a6/ ID - MABA_2009_23_3-4_a6 ER -