no. 1
Holomorphic symplectic normalization of a real function
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Tome 19 (1992) no. 1, pp. 69-86 
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     author = {Webster, S. M.},
     title = {Holomorphic symplectic normalization of a real function},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {69--86},
     year = {1992},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 19},
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     mrnumber = {1183758},
     zbl = {0763.58010},
     language = {en},
     url = {https://www.numdam.org/item/ASNSP_1992_4_19_1_69_0/}
}
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Webster, S. M. Holomorphic symplectic normalization of a real function. Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Tome 19 (1992) no. 1, pp. 69-86. https://www.numdam.org/item/ASNSP_1992_4_19_1_69_0/

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