@article{10_4064_sm_99_2_155_184,
     author = {J. Bonet and R. Braun and R. Meise and B. Taylor},
     title = {Whitney's extension theorem for nonquasianalytic classes of ultradifferentiable functions},
     journal = {Studia Mathematica},
     pages = {155--184},
     year = {1991},
     volume = {99},
     number = {2},
     doi = {10.4064/sm-99-2-155-184},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-99-2-155-184/}
}