%0 Journal Article %A V. N. Maklakov %A M. A. Ilicheva %T Numerical integration by the matrix method and evaluation of the approximation order of difference boundary value problems for non-homogeneous linear ordinary differential equations of the fourth order with variable coefficients %J Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences %D 2020 %P 137-162 %V 24 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/VSGTU_2020_24_1_a7/ %G ru %F VSGTU_2020_24_1_a7