@article{10_4153_CJM_1982_062_8,
     author = {Pastijn, Francis},
     title = {L'Enveloppe {Conjuguee} {D'Un} {Demi-Groupe} {Inverse} a {Metacentre} {Idempotent}},
     journal = {Canadian journal of mathematics},
     pages = {900--909},
     year = {1982},
     volume = {34},
     number = {4},
     doi = {10.4153/CJM-1982-062-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1982-062-8/}
}