@incollection{GroetschelLovaszSchrijver1984, author = {Martin Gr{\"o}tschel and L{\´a}szlo Lov{\´a}sz and Alexander Schrijver}, title = {Polynomial algorithms for perfect graphs}, booktitle = {Topics on perfect graphs}, editor = {Claude Berge and Vašek Chv{\´a}tal}, volume = {21}, pages = {325 -- 356}, year = {1984}, }