1. Dnestrovskaya Tetrad', Unsolved Problems in the Theory of Rings and Modules [in Russian], Novosibirsk (1982).
2. G. V. Dorofeev, "On varieties of generally standard and generally attainable algebras," Algebra Logika,15, No. 2, 143–167 (1976).
3. V. S. Drenski, "Representations of a symmetric group and varieties of linear algebras," Mat. Sb.,115, No. 1, 98–115 (1981).
4. K. A. Zhevlakov, A. M. Slin'ko, I. P. Shestakov, and A. I. Shirshov, Nearly Associative Rings [in Russian], Nauka, Moscow (1978).
5. A. V. Il'tyakov, "Specht ideals of identities of certain simple nonassociative algebras," 17th All-Union Algebraic Conf.,1, Minsk (1983), p. 83.