TY  - BOOK
AU  - Cohn,P.M.
TI  - Free rings and their relations
T2  - L.M.S. monographs
SN  - 0121791505
PY  - 1971///
CY  - London
PB  - Academic Press for the London Mathematical Society
KW  - Associative rings
N1  - Includes bibliographical references (p. 327-339) and index
ER  -