@article{10_4153_CJM_1968_103_x,
     author = {Sheehan, J.},
     title = {The {Number} of {Graphs} with a given {Automorphism} {Group}},
     journal = {Canadian journal of mathematics},
     pages = {1068--1076},
     year = {1968},
     volume = {20},
     number = {1},
     doi = {10.4153/CJM-1968-103-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1968-103-x/}
}