@article{10_4153_CMB_1974_057_6,
     author = {Mortimer, B. C. and Williams, K. S.},
     title = {Note on a {Paper} of {S.} {Uchiyama}},
     journal = {Canadian mathematical bulletin},
     pages = {289--293},
     year = {1974},
     volume = {17},
     number = {2},
     doi = {10.4153/CMB-1974-057-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1974-057-6/}
}