%0 Journal Article %A È. N. Sabziev %T Unboundedness of the solution of an overdetermined problem %J Differencialʹnye uravneniâ %D 1998 %P 1645-1648 %V 34 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1998_34_12_a8/ %G ru %F DE_1998_34_12_a8