@article{MAN_1984__267_163878,
     author = {Dietmar Vogt and Hans-Joachim Petzsche},
     title = {Almost {Analytic} {Extension} of {Ultradifferentiable} {Functions} and the {Boundary} {Values} of {Holomorphic} {Functions.}},
     journal = {Mathematische Annalen},
     pages = {17--36},
     publisher = {mathdoc},
     volume = {267},
     year = {1984},
     zbl = {0517.30028},
     url = {http://geodesic.mathdoc.fr/item/MAN_1984__267_163878/}
}