Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{CMUC_1979__20_2_a6, author = {Bican, Ladislav}, title = {Pure subgroups split}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {283--292}, publisher = {mathdoc}, volume = {20}, number = {2}, year = {1979}, mrnumber = {539557}, zbl = {0409.20042}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1979__20_2_a6/} }
Bican, Ladislav. Pure subgroups split. Commentationes Mathematicae Universitatis Carolinae, Tome 20 (1979) no. 2, pp. 283-292. http://geodesic.mathdoc.fr/item/CMUC_1979__20_2_a6/