%0 Journal Article %A A. Yu. Mokin %T Compatibility of norms in the analysis of difference schemes for the Samarskii--Ionkin problem %J Differencialʹnye uravneniâ %D 2006 %P 969-978 %V 42 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2006_42_7_a11/ %G ru %F DE_2006_42_7_a11