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. 
@article{ASNSP_1992_4_19_1_69_0,
     author = {Webster, Sidney M.},
     title = {Holomorphic symplectic normalization of a real function},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {69--86},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 19},
     number = {1},
     year = {1992},
     zbl = {0763.58010},
     mrnumber = {1183758},
     language = {en},
     url = {archive.numdam.org/item/ASNSP_1992_4_19_1_69_0/}
}
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. http://archive.numdam.org/item/ASNSP_1992_4_19_1_69_0/

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