%0 Journal Article %A M. O. Korpusov %A A. A. Panin %T Instantaneous blow-up versus local solubility of~the Cauchy problem for a~two-dimensional equation %J Izvestiya. Mathematics %D 2019 %P 1174-1200 %V 83 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_2019_83_6_a2/ %G en %F IM2_2019_83_6_a2