%0 Journal Article %A M. O. Korpusov %A A. K. Matveeva %T On critical exponents for weak solutions of the Cauchy problem for a~non-linear equation of composite type %J Izvestiya. Mathematics %D 2021 %P 705-744 %V 85 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_2021_85_4_a4/ %G en %F IM2_2021_85_4_a4