Lefschetz theorems on quasi-projective varieties
Bulletin de la Société Mathématique de France, Tome 113 (1985), pp. 123-142. 
@article{BSMF_1985__113__123_0,
     author = {Hamm, Helmut A. and L\^e D\~{u}ng Tr\'ang},
     title = {Lefschetz theorems on quasi-projective varieties},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {123--142},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {113},
     year = {1985},
     doi = {10.24033/bsmf.2023},
     mrnumber = {87i:32017},
     zbl = {0602.14009},
     language = {en},
     url = {http://www.numdam.org/articles/10.24033/bsmf.2023/}
}
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Hamm, Helmut A.; Lê Dũng Tráng. Lefschetz theorems on quasi-projective varieties. Bulletin de la Société Mathématique de France, Tome 113 (1985), pp. 123-142. doi : 10.24033/bsmf.2023. http://www.numdam.org/articles/10.24033/bsmf.2023/

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