Study the Influence of Nonlocal Boundary Condition on the Difference Eigenvalue Problem for Elliptic Partial Differential Equation. Jour. Inform. Math. Sci. [Internet]. 2020 Sep. 30 [cited 2026 Jun. 6];12(3):209-22. Available from: https://www.journals.rgnpublications.com/index.php/jims/article/view/1408