@article{RCM_1983__17_181727,
     author = {Alexander Abian},
     title = {Infinitely {Differentiable} {Functions} {With} {Prescribed} {Derivatives} {At} {A} {Point.}},
     journal = {Revista colombiana de matematicas},
     pages = {99--104},
     publisher = {mathdoc},
     volume = {17},
     year = {1983},
     zbl = {0556.26014},
     url = {http://geodesic.mathdoc.fr/item/RCM_1983__17_181727/}
}