%0 Journal Article %A M. A. Abdrachmanov %T $L_2$-estimates for solutions of model boundary value problems for a system of equations with mixed parabolic-elliptic structure %J Differencialʹnye uravneniâ %D 1994 %P 84-94 %V 30 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1994_30_1_a9/ %G ru %F DE_1994_30_1_a9