1. K. A. Zhevlakov, A. M. Slin'ko, I. P. Shestakov, and A. I. Shirshov, Almost Associative Rings [in Russian], Nauka, Moscow (1978).
2. E. I. Zel'manov, "On primary Jordan algebras. II," Sib. Mat. Zh.,24, No. 1, 69–104 (1983).
3. E. N. Kuz'min, "Mal'tsev algebras and their representations," Algebra Logika,7, No. 4, 48–69 (1968).
4. S. Lang, Algebra, Addison—Wesley, Reading (1965).
5. Yu. A. Medvedev, "Absolute zero divisors in finitely generated Jordan algebras," Sib. Mat. Zh.,29, No. 3, 104–113 (1988).