%0 Journal Article %A G. R. Oganesyan %A Y. A. Taroyan %T The stability of Cauchy problem for forth order weakly hyperbolic equations %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 1997 %P 89-93 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_1997_1_a5/ %G ru %F UZERU_1997_1_a5