TY - JOUR AU - Greene, R. E. AU - Wu, H. TI - $C^\infty $ approximations of convex, subharmonic, and plurisubharmonic functions JO - Annales scientifiques de l'École Normale Supérieure PY - 1979 DA - 1979/// SP - 47 EP - 84 VL - Ser. 4, 12 IS - 1 PB - Elsevier UR - http://www.numdam.org/articles/10.24033/asens.1361/ UR - https://zbmath.org/?q=an%3A0415.31001 UR - https://www.ams.org/mathscinet-getitem?mr=80m:53055 UR - https://doi.org/10.24033/asens.1361 DO - 10.24033/asens.1361 LA - en ID - ASENS_1979_4_12_1_47_0 ER -