Le lemme d'Enriques-Severi
Séminaire Bourbaki : années 1951/52 - 1952/53 - 1953/54, exposés 50-100, Séminaire Bourbaki, no. 2 (1954), Talk no. 94, p. 399-407
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     author = {N\'eron, Andr\'e},
     title = {Le lemme d'Enriques-Severi},
     booktitle = {S\'eminaire Bourbaki : ann\'ees 1951/52 - 1952/53 - 1953/54, expos\'es 50-100},
     author = {Collectif},
     series = {S\'eminaire Bourbaki},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {2},
     year = {1954},
     note = {talk:94},
     pages = {399-407},
     zbl = {0116.38301},
     mrnumber = {1609250},
     language = {fr},
     url = {http://www.numdam.org/item/SB_1951-1954__2__399_0}
}
Néron, André. Le lemme d'Enriques-Severi, in Séminaire Bourbaki : années 1951/52 - 1952/53 - 1953/54, exposés 50-100, Séminaire Bourbaki, no. 2 (1954), Talk no. 94, pp. 399-407. http://www.numdam.org/item/SB_1951-1954__2__399_0/

[1] Samuel (Pierre). -Sections hyperplanes des variétés normales, Séminaire Bourbaki, t. 3, 1950/51. | Numdam

[2] Seidenberg (A.). - The hyperplane sections of normal varieties, Trans. Amer. math. Soc., t. 69, 1950, p. 357-386. | MR 37548 | Zbl 0040.23501

[3] Zariski (Oscar). - Complete linear systems on normal varieties and a generalization of a lemma of Enriques-Severi, Annals of Math., Series 2, t. 55, 1952, p. 552-592. | MR 48857 | Zbl 0047.14803