%0 Journal Article %A K. I. Chernyshov %T Cauchy operator of a~non-stationary linear differential equation with a~small parameter at the derivative %J Sbornik. Mathematics %D 2005 %P 1165-1208 %V 196 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2005_196_8_a3/ %G en %F SM_2005_196_8_a3