%0 Journal Article %A G. V. Virabyan %A G. A. Sargsian %T On the spectral properties of the pencil of Monge-Amper non-linear equations in vector-functions spaces %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 1990 %P 3-7 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_1990_3_a0/ %G ru %F UZERU_1990_3_a0