Double coverings and surfaces of general type
Double coverings and surfaces of general type
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DOI:
10.1007/bfb0062932
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发表时间:
1978
期刊:
影响因子:
--
通讯作者:
U. Persson
中科院分区:
文献类型:
--
作者:
U. Persson
For any algebraic variety X, we can define the pluri-canoni-cal ring as the graded ring,