%0 Journal Article %A R. V. Guseinov %T Boundary value problems for quasi-elliptic equations on compact manifolds %J Differencialʹnye uravneniâ %D 1996 %P 704-705 %V 32 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1996_32_5_a17/ %G ru %F DE_1996_32_5_a17