%0 Journal Article %A V. M. Ivakin %T A modified Dirichlet problem for equations and systems that are degenerate on the boundary %J Differencialʹnye uravneniâ %D 1982 %P 319-324 %V 18 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1982_18_2_a15/ %G ru %F DE_1982_18_2_a15