@article{10_4153_CJM_1973_015_9,
     author = {Petrich, Mario},
     title = {L'enveloppe de {Translations} d'un {Demi-Treillis} de {Groupes}},
     journal = {Canadian journal of mathematics},
     pages = {164--177},
     year = {1973},
     volume = {25},
     number = {1},
     doi = {10.4153/CJM-1973-015-9},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1973-015-9/}
}