Geodesic
On a series of birationally rigid varieties with a pencil of Fano hypersurfaces
Sbornik. Mathematics, Tome 192 (2001) no. 10, pp. 1543-1551 Cet article a éte moissonné depuis la source Math-Net.Ru

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We show that a general divisor of bidegree $(2,M)$ in $\mathbb P^1\times\mathbb P^M$ for $M\geqslant 4$ is a birationally rigid variety and that the group of its birational automorphisms consists of two elements. 
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     author = {I. V. Sobolev},
     title = {On a series of birationally rigid varieties with a~pencil of {Fano} hypersurfaces},
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     pages = {1543--1551},
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     volume = {192},
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     url = {http://geodesic.mathdoc.fr/item/SM_2001_192_10_a6/}
}
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I. V. Sobolev. On a series of birationally rigid varieties with a pencil of Fano hypersurfaces. Sbornik. Mathematics, Tome 192 (2001) no. 10, pp. 1543-1551. http://geodesic.mathdoc.fr/item/SM_2001_192_10_a6/

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