[1]
A. P. Petravchuk, “On the sum of an almost abelian Lie algebra and a Lie algebra finite-dimensional over its center”, Ukr. Mat. Zhurn., vol. 51, no. 5, pp. 636–644, May 1999, Accessed: Apr. 13, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/4650