%0 Journal Article %A E. G. D'yakonov %T Regular Perturbations of Nonstationary Problems of Mathematical Physics Related to Linear Constraints: II %J Differencialʹnye uravneniâ %D 2001 %P 779-791 %V 37 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2001_37_6_a7/ %G ru %F DE_2001_37_6_a7