Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{CMUC_1963__4_3_a4, author = {Proch\'azka, Ladislav}, title = {A generalization of a theorem of {R.} {Baer}}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {105--108}, publisher = {mathdoc}, volume = {04}, number = {3}, year = {1963}, mrnumber = {0178067}, zbl = {0135.06101}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1963__4_3_a4/} }
Procházka, Ladislav. A generalization of a theorem of R. Baer. Commentationes Mathematicae Universitatis Carolinae, Tome 04 (1963) no. 3, pp. 105-108. http://geodesic.mathdoc.fr/item/CMUC_1963__4_3_a4/