@article{10_4153_CJM_1978_072_2,
     author = {Neumann, B. H.},
     title = {Some {Group} {Presentations}},
     journal = {Canadian journal of mathematics},
     pages = {838--850},
     year = {1978},
     volume = {30},
     number = {4},
     doi = {10.4153/CJM-1978-072-2},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1978-072-2/}
}