no. 3
Gluings and closures
Compositio Mathematica, Tome 51 (1984) no. 3, pp. 325-332. 
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     title = {Gluings and closures},
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     number = {3},
     year = {1984},
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     zbl = {0545.52001},
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     url = {http://archive.numdam.org/item/CM_1984__51_3_325_0/}
}
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Degreef, Eric; Fourneau, René. Gluings and closures. Compositio Mathematica, Tome 51 (1984) no. 3, pp. 325-332. http://archive.numdam.org/item/CM_1984__51_3_325_0/

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