[1]
“TWO AND THREE PARTICLE BRANCHES OF THE ESSENTIAL SPECTRUM OF A 3×3 OPERATOR MATRICES”, Spec. Jour. of Inno. Ref. and Dev., vol. 8, pp. 270–274, Oct. 2022, Accessed: Jan. 30, 2026. [Online]. Available: https://sjird.journalspark.org/index.php/sjird/article/view/299