%0 Journal Article %A R. J. Čiegis %T Methods for the numerical investigation of the stability of the solution of stationary problems %J Differencialʹnye uravneniâ %D 1992 %P 2158-2165 %V 28 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1992_28_12_a17/ %G ru %F DE_1992_28_12_a17