“A Sufficient Condition for the Genus of an Annulus Sum of Two 3-Manifolds to Be Non-Degenerate”, CMR, vol. 26, no. 1, pp. 85–96, Aug. 2021, Accessed: Dec. 05, 2025. [Online]. Available: https://www.global-sci.com/index.php/cmr/article/view/8648