@article{100549, author = {Ladislav Proch\'azka}, title = {Bemerkung \"uber den $p$-Rang torsionsfreier abelscher Gruppen unendlichen Ranges}, journal = {Czechoslovak Mathematical Journal}, volume = {13}, year = {1963}, pages = {1-23}, zbl = {0119.02702}, mrnumber = {0151514}, language = {de}, url = {http://dml.mathdoc.fr/item/100549} }
Procházka, Ladislav. Bemerkung über den $p$-Rang torsionsfreier abelscher Gruppen unendlichen Ranges. Czechoslovak Mathematical Journal, Tome 13 (1963) pp. 1-23. http://gdmltest.u-ga.fr/item/100549/
Countable abelian groups without torsion, Duke Math. J., 15, 1948, 293-305. (1948) | Article | MR 0024432 | Zbl 0031.00603
Abelian groups, Budapest 1958. (1958) | MR 0106942 | Zbl 0091.02704
О p-ранге абелевых групп без кручения конечного ранга, Чех. мат. жур. 12 (87), 1962,3 43. (1962) | Zbl 0303.53006