@article{10_4153_CJM_1987_003_1,
     author = {Kemp, R. R. D.},
     title = {Operators on {L} {2(I)} \ensuremath{\oplus} {Cr}},
     journal = {Canadian journal of mathematics},
     pages = {33--53},
     year = {1987},
     volume = {39},
     number = {1},
     doi = {10.4153/CJM-1987-003-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1987-003-1/}
}