Zhu, L., & Sun, H. (2025). Essential Numerical Ranges of Linear Relations and Singular Discrete Linear Hamiltonian Systems. Chinese Annals of Mathematics, Series B: Chinese Annals of Mathematics, Series B, 46(1), 63-84. https://doi.org/10.1007/s11401-025-0004-5
Chicago-referens (17:e uppl.)Zhu, Li, och Huaqing Sun. "Essential Numerical Ranges of Linear Relations and Singular Discrete Linear Hamiltonian Systems." Chinese Annals of Mathematics, Series B: Chinese Annals of Mathematics, Series B 46, no. 1 (2025): 63-84. https://doi.org/10.1007/s11401-025-0004-5.
MLA-referens (9:e uppl.)Zhu, Li, och Huaqing Sun. "Essential Numerical Ranges of Linear Relations and Singular Discrete Linear Hamiltonian Systems." Chinese Annals of Mathematics, Series B: Chinese Annals of Mathematics, Series B, vol. 46, no. 1, 2025, pp. 63-84, https://doi.org/10.1007/s11401-025-0004-5.