@article{10_4153_CMB_1977_069_3,
     author = {Pham-Gia, Thu},
     title = {Density of {Non} {Quasi-Analytic} {Classes} of {Functions}},
     journal = {Canadian mathematical bulletin},
     pages = {467--469},
     year = {1977},
     volume = {20},
     number = {4},
     doi = {10.4153/CMB-1977-069-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1977-069-3/}
}