%0 Journal Article %A Ya. Sh. Il'yasov %T On the existence of conformally equivalent metrics for Riemannian manifolds with boundary %J Differencialʹnye uravneniâ %D 1999 %P 334-339 %V 35 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1999_35_3_a7/ %G ru %F DE_1999_35_3_a7