%0 Journal Article %A V. L. Makarov %T A functional-difference method of arbitrary order of accuracy for solving the Sturm--Liouville problem with piecewise-smooth coefficients %J Doklady Akademii Nauk %D 1991 %P 34-39 %V 320 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1991_320_1_a5/ %G ru %F DAN_1991_320_1_a5