I. M. Mendez-Zuñiga, T. L. Belyaeva, M. A. Agüero, and V.N. Serkin. “Multisoliton Bound States in the Fourth-Order Concatenation Model of the Nonlinear Schrödinger Equation Hierarchy”. Transactions in Optics and Photonics 1, no. 1 (March 10, 2025): 22–33. Accessed December 5, 2025. https://ojs.wiserpub.com/index.php/top/article/view/5835.