@article{10_4153_CJM_1975_086_1,
     author = {Lohou\'e, N.},
     title = {Synthese {Harmonique} {Des} {Sous-Groupes} {Discrets}},
     journal = {Canadian journal of mathematics},
     pages = {792--796},
     year = {1975},
     volume = {27},
     number = {4},
     doi = {10.4153/CJM-1975-086-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1975-086-1/}
}