@article{JAC_2016__43_2_a6, author = {Hoang, Do Trong and Trung, Tran Nam}, title = {A characterization of triangle-free {Gorenstein} graphs and {Cohen-Macaulayness} of second powers of edge ideals}, journal = {Journal of Algebraic Combinatorics}, pages = {325--338}, publisher = {mathdoc}, volume = {43}, number = {2}, year = {2016}, language = {en}, url = {http://geodesic.mathdoc.fr/item/JAC_2016__43_2_a6/} }