[1]
S. Lakaev, “ON POSITIVE EIGENVALUES OF THE DISCRETE SCHRÖDINGER OPERATOR WITH A NON-LOCAL POTENTIAL”, Scientific practical conference, vol. 1, no. 1, pp. 34–37, Apr. 2026, Accessed: Jul. 18, 2026. [Online]. Available: https://d-pressa.com/index.php/spc/article/view/1196