%0 Journal Article %A M. O. Korpusov %T Blow-up and global solubility in the classical~sense of~the~Cauchy~problem~for~a~formally~hyperbolic~equation with a~non-coercive source %J Izvestiya. Mathematics %D 2020 %P 930-959 %V 84 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_2020_84_5_a4/ %G en %F IM2_2020_84_5_a4