TY - JOUR AU - Tsai-Lien Wong AU - Xuding Zhu TI - Permanent index of matrices associated with graphs JO - The electronic journal of combinatorics PY - 2017 VL - 24 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.37236/5494/ DO - 10.37236/5494 ID - 10_37236_5494 ER -