Geodesic
Semiampleness theorem for weak log Fano varieties
Sbornik. Mathematics, Tome 197 (2006) no. 10, pp. 1459-1465

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The semiampleness of the divisor $-(K_X+S)$ is proved for a pair $(X,S)$ with purely log terminal $\mathbb Q$-factorial singularities, where $X$ is a three-dimensional normal projective algebraic variety and $S\subset X$ is a normal surface such that the divisor $-(K_X+S)$ is nef and big. Bibliography: 8 titles. 
@article{SM_2006_197_10_a3,
     author = {I. V. Karzhemanov},
     title = {Semiampleness theorem for weak log {Fano} varieties},
     journal = {Sbornik. Mathematics},
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     publisher = {mathdoc},
     volume = {197},
     number = {10},
     year = {2006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2006_197_10_a3/}
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I. V. Karzhemanov. Semiampleness theorem for weak log Fano varieties. Sbornik. Mathematics, Tome 197 (2006) no. 10, pp. 1459-1465. http://geodesic.mathdoc.fr/item/SM_2006_197_10_a3/