Soeharyadi Y, Lindiarni J, Agustima PN, Burhan MJI. On Invariant eigenvalues of Laplacian on complex star metric graphs. Hilbert J. Math. Anal. [Internet]. 2023 Aug. 11 [cited 2025 Oct. 13];1(2):81-92. Available from: https://hilbertjma.org/hilbertjma/article/view/13