@misc{CGTM_2009_2_a0,
     title = {Preface},
     journal = {Contributions to game theory and management},
     pages = {6--7},
     year = {2009},
     volume = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CGTM_2009_2_a0/}
}