@article{JAC_2008__27_3_a5,
     author = {Villarreal, Rafael H.},
     title = {Rees algebras and polyhedral cones of ideals of vertex covers of perfect graphs},
     journal = {Journal of Algebraic Combinatorics},
     pages = {293--305},
     publisher = {mathdoc},
     volume = {27},
     number = {3},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JAC_2008__27_3_a5/}
}