TY - JOUR AU - Hoang, Do Trong AU - Trung, Tran Nam TI - A characterization of triangle-free Gorenstein graphs and Cohen-Macaulayness of second powers of edge ideals JO - Journal of Algebraic Combinatorics PY - 2016 SP - 325 EP - 338 VL - 43 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JAC_2016__43_2_a6/ LA - en ID - JAC_2016__43_2_a6 ER -