@article{10_4153_CJM_1966_026_4,
     author = {Baum, L. E. and Eagon, J. A.},
     title = {The {Number} of {Circular} {Patterns} {Compatible} with a {Pseudo-Symmetric} {Connected} {Graph}},
     journal = {Canadian journal of mathematics},
     pages = {237--239},
     year = {1966},
     volume = {18},
     number = {1},
     doi = {10.4153/CJM-1966-026-4},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1966-026-4/}
}