@article{10_4153_CJM_2018_006_5,
     author = {Yeats, Karen},
     title = {A {Special} {Case} of {Completion} {Invariance} for the c 2 {Invariant} of a {Graph}},
     journal = {Canadian journal of mathematics},
     pages = {1416--1435},
     year = {2018},
     volume = {70},
     number = {6},
     doi = {10.4153/CJM-2018-006-5},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2018-006-5/}
}