References
- Regev, Amitai (1971). "Existence of polynomial identities in A ⊗F B". Bulletin of the American Mathematical Society. 77 (6): 1067–1069. doi:10.1090/S0002-9904-1971-12869-0. MR 0284468.
- Regev, Amitai (1972). "Existence of identities in A ⊗ B". Israel Journal of Mathematics. 11 (2): 131–152. doi:10.1007/BF02762615. MR 0314893.
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