On the trivialization of line bundles over schemes
Compositio Mathematica, Tome 27 (1973) no. 2, pp. 217-221. 
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     author = {L{\o}nsted, Knud},
     title = {On the trivialization of line bundles over schemes},
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     pages = {217--221},
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     number = {2},
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     url = {http://archive.numdam.org/item/CM_1973__27_2_217_0/}
}
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Lønsted, Knud. On the trivialization of line bundles over schemes. Compositio Mathematica, Tome 27 (1973) no. 2, pp. 217-221. http://archive.numdam.org/item/CM_1973__27_2_217_0/

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