@article{MS2_1967__20_165975,
     author = {G\"osta Wahde},
     title = {Interpolation in {Non-Quasi-Analytic} {Classes} of {Infinitely} {Differentiable} {Functions.}},
     journal = {Mathematica Scandinavica},
     pages = {19--31},
     publisher = {mathdoc},
     volume = {20},
     year = {1967},
     zbl = {0158.30603},
     url = {http://geodesic.mathdoc.fr/item/MS2_1967__20_165975/}
}