A. E. Guterman, D. K. Kudryavtsev, O. V. Markova, “Length of a direct sum of nonassociative algebras”, Zap. Nauchn. Sem. POMI, 482 (2019), 73–86
2016
2.
A. E. Guterman, D. K. Kudryavtsev, “The lengths of the quaternion and octotion algebras”, Zap. Nauchn. Sem. POMI, 453 (2016), 22–32; J. Math. Sci. (N. Y.), 224:6 (2017), 826–832
