@article{CGTM_2021_14_a5,
     author = {Min Cheng and Yin Li},
     title = {New characteristic function for two stage games with spanning tree},
     journal = {Contributions to game theory and management},
     pages = {59--71},
     year = {2021},
     volume = {14},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CGTM_2021_14_a5/}
}