@article{GDZPPN002389606,
title = {On the Free Product of Associative Rings. II. The Case of (Skew) Fields.},
journal = {Mathematische Zeitschrift},
volume = {73},
year = {1960},
pages = {433-456},
zbl = {0095.25701},
url = {http://dml.mathdoc.fr/item/GDZPPN002389606}
}
Cohn, Paul M. On the Free Product of Associative Rings. II. The Case of (Skew) Fields.. Mathematische Zeitschrift, Tome 73 (1960) pp. 433-456. http://gdmltest.u-ga.fr/item/GDZPPN002389606/