@article{CM_1965-1966__17__36_0,
     author = {Chen, Yung-Ming},
     title = {Note on approximation theorems},
     journal = {Compositio Mathematica},
     pages = {36--39},
     publisher = {Kraus Reprint},
     volume = {17},
     year = {1965-1966},
     mrnumber = {186990},
     zbl = {0129.05501},
     language = {en},
     url = {http://www.numdam.org/item/CM_1965-1966__17__36_0/}
}