%0 Journal Article %A D. V. Tunitsky %T On the global solubility of the Monge--Ampere hyperbolic equations %J Izvestiya. Mathematics %D 1997 %P 1069-1111 %V 61 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1997_61_5_a6/ %G en %F IM2_1997_61_5_a6