C∞ approximations of convex, subharmonic, and plurisubharmonic functions
Annales scientifiques de l'École Normale Supérieure, Série 4, Tome 12 (1979) no. 1, pp. 47-84. 
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     author = {Greene, R. E. and Wu, H.},
     title = {$C^\infty $ approximations of convex, subharmonic, and plurisubharmonic functions},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {47--84},
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     volume = {Ser. 4, 12},
     number = {1},
     year = {1979},
     doi = {10.24033/asens.1361},
     mrnumber = {80m:53055},
     zbl = {0415.31001},
     language = {en},
     url = {https://www.numdam.org/articles/10.24033/asens.1361/}
}
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Greene, R. E.; Wu, H. $C^\infty $ approximations of convex, subharmonic, and plurisubharmonic functions. Annales scientifiques de l'École Normale Supérieure, Série 4, Tome 12 (1979) no. 1, pp. 47-84. doi : 10.24033/asens.1361. https://www.numdam.org/articles/10.24033/asens.1361/

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