@article{10_4153_CJM_1975_073_3,
     author = {Herstein, I. N.},
     title = {Certain {Submodules} of {Simple} {Rings} with {Involution,} {II}},
     journal = {Canadian journal of mathematics},
     pages = {629--635},
     year = {1975},
     volume = {27},
     number = {3},
     doi = {10.4153/CJM-1975-073-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1975-073-3/}
}