JEBAKIRUBA C; AMUTHA A. LAPLACIAN SPECTRUM IN STEREOPHONIC SYSTEMS. Utilitas Mathematica , [S. l.], v. 122, n. 2, p. 1060–1067, 2025. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/2818. Acesso em: 7 may. 2026.