@article{10_1090_S0894_0347_07_00568_1,
     author = {Szegedy, Bal\'azs},
     title = {Edge coloring models and reflection positivity},
     journal = {Journal of the American Mathematical Society},
     pages = {969--988},
     year = {2007},
     volume = {20},
     number = {4},
     doi = {10.1090/S0894-0347-07-00568-1},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-07-00568-1/}
}