On a class of non-associative rings Tomáš Kepka (1977) Commentationes Mathematicae Universitatis Carolinae
On bilinear biquandles Sam Nelson, Jacquelyn L. Rische (2008) Colloquium Mathematicae We define a type of biquandle which is a generalization of symplectic quandles. We use the extra structure of these bilinear biquandles to define new knot and link invariants and give some examples.
On some classes of nilpotent Leibniz algebras. Ayupov, Sh.A., Omirov, B.A. (2001) Sibirskij Matematicheskij Zhurnal