@article{10_4153_CJM_1978_007_8,
     author = {Lanski, Charles},
     title = {Invariant {Subrings} in {Rings} with {Involution}},
     journal = {Canadian journal of mathematics},
     pages = {85--94},
     year = {1978},
     volume = {30},
     number = {1},
     doi = {10.4153/CJM-1978-007-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1978-007-8/}
}