%0 Journal Article %A Klaus Doden %T Stability and Non-Linear Approximation for y' (t) = - f(y(t-1)). %J Manuscripta mathematica %D 1980 %P 249-268 %V 31 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1980__31_154705/ %F MM2_1980__31_154705