%0 Journal Article %A È. N. Sabziev %T Weighted boundary value problems for strongly degenerate equations %J Differencialʹnye uravneniâ %D 1992 %P 2172-2174 %V 28 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1992_28_12_a21/ %G ru %F DE_1992_28_12_a21