Multicanonical systems of elliptic surfaces in small characteristics
Compositio Mathematica, Tome 97 (1995) no. 1-2, pp. 119-134. 
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     title = {Multicanonical systems of elliptic surfaces in small characteristics},
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     publisher = {Kluwer Academic Publishers},
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     zbl = {0860.14036},
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     url = {http://www.numdam.org/item/CM_1995__97_1-2_119_0/}
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Katsura, Toshiyuki. Multicanonical systems of elliptic surfaces in small characteristics. Compositio Mathematica, Tome 97 (1995) no. 1-2, pp. 119-134. http://www.numdam.org/item/CM_1995__97_1-2_119_0/

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