@article{RSMUP_1978__60__33_0,
     author = {Nachbin, Leopoldo},
     title = {On the closure of modules of continuously differentiable mappings},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {33--42},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {60},
     year = {1978},
     mrnumber = {555954},
     zbl = {0433.46034},
     language = {en},
     url = {http://archive.numdam.org/item/RSMUP_1978__60__33_0/}
}