%0 Journal Article %A Dietmar Vogt %T On the functors Ext¹(E,F) for Fréchet spaces %J Studia Mathematica %D 1987 %P 163-197 %V 85 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-85-2-163-197/ %R 10.4064/sm-85-2-163-197 %G fr %F 10_4064_sm_85_2_163_197