Cohl, H., Dang, T., & Dunster, T. (2018). Fundamental Solutions and Gegenbauer Expansions of Helmholtz Operators in Riemannian Spaces of Constant Curvature. Symmetry, Integrability and Geometry: Methods and Applications.
Chicago Style (17th ed.) CitationCohl, H.S, T.H Dang, and T.M Dunster. "Fundamental Solutions and Gegenbauer Expansions of Helmholtz Operators in Riemannian Spaces of Constant Curvature." Symmetry, Integrability and Geometry: Methods and Applications 2018.
MLA (8th ed.) CitationCohl, H.S, et al. "Fundamental Solutions and Gegenbauer Expansions of Helmholtz Operators in Riemannian Spaces of Constant Curvature." Symmetry, Integrability and Geometry: Methods and Applications, 2018.
Warning: These citations may not always be 100% accurate.