%0 Journal Article %A E. I. Moiseev %T On the uniqueness of the solution of a three-dimensional boundary value problem for an equation of mixed type %J Differencialʹnye uravneniâ %D 1996 %P 389-393 %V 32 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1996_32_3_a14/ %G ru %F DE_1996_32_3_a14