%0 Journal Article %A S. I. Kavkyanov %T Empirical estimates for the smoothness of the solutions of linear %J Doklady Akademii Nauk %D 1987 %P 1353-1357 %V 293 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1987_293_6_a15/ %G ru %F DAN_1987_293_6_a15