@article{ASENS_1979_4_12_1_47_0, 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}, publisher = {Elsevier}, volume = {Ser. 4, 12}, number = {1}, year = {1979}, doi = {10.24033/asens.1361}, zbl = {0415.31001}, mrnumber = {80m:53055}, language = {en}, url = {http://www.numdam.org/articles/10.24033/asens.1361/} }