%0 Journal Article %A Vincenzo Moscatelli %A Marilda Simões %T Generalized Nash-Moser smoothing operators and the structure of Fréchet spaces %J Studia Mathematica %D 1987 %P 121-132 %V 87 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-87-2-121-132/ %R 10.4064/sm-87-2-121-132 %G en %F 10_4064_sm_87_2_121_132