@article{MM2_1990__66_1_155473, author = {Rafael H. Villarreal}, title = {Cohen-Macauly {Graphs.}}, journal = {Manuscripta mathematica}, pages = {277--294}, publisher = {mathdoc}, volume = {66}, number = {1}, year = {1990}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MM2_1990__66_1_155473/} }