Abstract
Let $(X, \Delta)$ be a proper semi log canonical threefold with $K_X + \Delta$ nef. Then $K_X + \Delta$ is semi-ample.
Citation
Osamu Fujino. "On abundance theorem for semi log canonical threefolds." Proc. Japan Acad. Ser. A Math. Sci. 75 (6) 80 - 84, June 1999. https://doi.org/10.3792/pjaa.75.80
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