Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{CMUC_1969__10_4_a2, author = {Proch\'azka, Ladislav}, title = {A note on free abelian groups}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {567--569}, publisher = {mathdoc}, volume = {10}, number = {4}, year = {1969}, mrnumber = {0258953}, zbl = {0197.30001}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1969__10_4_a2/} }
Procházka, Ladislav. A note on free abelian groups. Commentationes Mathematicae Universitatis Carolinae, Tome 10 (1969) no. 4, pp. 567-569. http://geodesic.mathdoc.fr/item/CMUC_1969__10_4_a2/