TY - JOUR AU - Zhen Wang AU - Zhixi Wang TI - The tripartite separability of density matrices of graphs JO - The electronic journal of combinatorics PY - 2007 VL - 14 UR - http://geodesic.mathdoc.fr/articles/10.37236/958/ DO - 10.37236/958 ID - 10_37236_958 ER -