SymenohZ. I. “Parasupersymmetric Quantum Mechanics of Arbitrary Order with<em class="a-Plus-plus">N</em&gt; Parasupercharges”. Ukrains’kyi Matematychnyi Zhurnal 48, no. 9 (September 25, 1996): 1291–1294. Accessed November 24, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/5243.