@article{MAN_1974__210_162612,
     author = {Yum-Tong Siu and R.Michael Range},
     title = {Ck {Approximation} by {Holomorphic} {Functions} and {...-Closed} {Forms} on {Ck} {Submanifolds} of a {Complex} {Manifold.}},
     journal = {Mathematische Annalen},
     pages = {105--122},
     publisher = {mathdoc},
     volume = {210},
     year = {1974},
     zbl = {0275.32008},
     url = {http://geodesic.mathdoc.fr/item/MAN_1974__210_162612/}
}