@article{CM_1985__55_3_289_0,
     author = {Schikhof, W. H.},
     title = {Borel{\textquoteright}s theorem for $C^\infty $-functions on a non-archimedean valued field},
     journal = {Compositio Mathematica},
     pages = {289--294},
     publisher = {Martinus Nijhoff Publishers},
     volume = {55},
     number = {3},
     year = {1985},
     zbl = {0579.26007},
     language = {en},
     url = {http://www.numdam.org/item/CM_1985__55_3_289_0/}
}