no. 3
Heegard and regular genus agree for compact 3-manifolds
Cahiers de Topologie et Géométrie Différentielle Catégoriques, Tome 39 (1998) no. 3, pp. 221-235 
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     author = {Cristofori, Paola},
     title = {Heegard and regular genus agree for compact $3$-manifolds},
     journal = {Cahiers de Topologie et G\'eom\'etrie Diff\'erentielle Cat\'egoriques},
     pages = {221--235},
     year = {1998},
     publisher = {Dunod \'editeur, publi\'e avec le concours du CNRS},
     volume = {39},
     number = {3},
     mrnumber = {1641854},
     zbl = {0914.57010},
     language = {en},
     url = {https://www.numdam.org/item/CTGDC_1998__39_3_221_0/}
}
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Cristofori, Paola. Heegard and regular genus agree for compact $3$-manifolds. Cahiers de Topologie et Géométrie Différentielle Catégoriques, Tome 39 (1998) no. 3, pp. 221-235. https://www.numdam.org/item/CTGDC_1998__39_3_221_0/

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