Simulik, V.M. “On the Dirac-Like Equation in 7-Component Space-Time and Generalized Clifford-Dirac Algebra”. Carpathian Mathematical Publications 15, no. 2 (December 24, 2023): 529–542. Accessed May 15, 2024. https://scijournals.pnu.edu.ua/index.php/cmp/article/view/7036.