Wolfgang Rump, Almost abelian categories, Cahiers de topologie et géométrie différentielle catégoriques, tome 42, no 3 (2001) 163–225 [numdam:CTGDC_2001__42_3_163_0]
On braces, -algebra?s and related algebraic structures:
W. Rump, Braces, radical rings, and the quantum Yang-Baxter equation, J. Algebra 307 (2007), no. 1, 153–170
Wolfgang Rump, Generalized radical rings, unknotted biquandles, and quantum groups, Colloquium Mathematicum 109 (2007), 85-100 doi
W. Rump, The brace of a classical group, Note di Matematica 34 (2014) n.1, 115–144 doi
W. Rump, Construction of finite braces, Ann. Comb. 23, 391–416 (2019) doi
W. Rump, The category of -algebras, Theory App. Cat. 39 (2023), n. 21, 598–624 pdf