%0 Journal Article %A G. G. Kazaryan %A V. N. Markaryan %T Lower bounds for the functional dimension of the solution space of %J Doklady Akademii Nauk %D 1989 %P 31-33 %V 308 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1989_308_1_a5/ %G ru %F DAN_1989_308_1_a5