Barannyk, A. F., and I. I. Yuryk. “Classification of Maximal Subalgebras of Rank <em class="a-Plus-plus">n</em> of the Conformal Algebra <em class="a-Plus-plus">AC</em>(1, <em class="a-Plus-plus">n</Em&gt;)”. Ukrains’kyi Matematychnyi Zhurnal 50, no. 4 (April 25, 1998): 459–470. Accessed May 18, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/4915.