@article{10_4153_CMB_1984_016_8,
     author = {Dowlen, Mary},
     title = {The {Fixed} {Subring} of {Some} {Groups} of {Ring} {Automorphisms}},
     journal = {Canadian mathematical bulletin},
     pages = {113--116},
     year = {1984},
     volume = {27},
     number = {1},
     doi = {10.4153/CMB-1984-016-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1984-016-8/}
}