@article{10_4153_CJM_1976_133_5,
     author = {Bollob\'as, B\'ela and Sauer, Norbert},
     title = {Uniquely {Colourable} {Graphs} with {Large} {Girth}},
     journal = {Canadian journal of mathematics},
     pages = {1340--1344},
     year = {1976},
     volume = {28},
     number = {6},
     doi = {10.4153/CJM-1976-133-5},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1976-133-5/}
}