@article{BSMF_1967__95__89_0,
     author = {Koyama, Toshiko},
     title = {On quasi-closed groups and torsion complete groups},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {89--94},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {95},
     year = {1967},
     doi = {10.24033/bsmf.1648},
     mrnumber = {36 #5218},
     zbl = {0178.02403},
     language = {en},
     url = {http://archive.numdam.org/articles/10.24033/bsmf.1648/}
}