@article{SLC_2017_78B_a61,
     author = {Dominique Guillot and Apoorva Khare and Bala Rajaratnam},
     title = {The {Critical} {Exponent:} a {Novel} {Graph} {Invariant}},
     journal = {S\'eminaire lotharingien de combinatoire},
     year = {2017},
     volume = {78B},
     url = {http://geodesic.mathdoc.fr/item/SLC_2017_78B_a61/}
}