Alexander Neal Combs Ray, C. B., Combs, A., Gin, N., Hedges, A., Hird, J. T., & Zack, L. (2014). NILPOTENT LIE AND LEIBNIZ ALGEBRAS. COMMUNICATIONS IN ALGEBRA, 42(6), 2404–2410. https://doi.org/10.1080/00927872.2012.717655