Geodesic
Smoothness of the general anticanonical divisor on a~Fano 3-fold
Izvestiya. Mathematics , Tome 14 (1980) no. 2, pp. 395-405.

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Smoothness of the general anticanonical divisor of a Fano 3-fold is proved. In addition, an analogous result is established for the linear system $|\mathscr H|$, where $r\mathscr H\sim-K_V$ for some natural number $r$. The results obtained in the paper can be used to investigate projective imbeddings of Fano 3-folds. Bibliography: 6 titles. 
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V. V. Shokurov. Smoothness of the general anticanonical divisor on a~Fano 3-fold. Izvestiya. Mathematics , Tome 14 (1980) no. 2, pp. 395-405. http://geodesic.mathdoc.fr/item/IM2_1980_14_2_a10/

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