TY - JOUR AU - M. O. Korpusov AU - A. A. Panin AU - A. E. Shishkov TI - On the critical exponent ``instantaneous~blow-up'' versus ``local solubility'' in the Cauchy~problem for a~model equation of Sobolev type JO - Izvestiya. Mathematics PY - 2021 SP - 111 EP - 144 VL - 85 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM2_2021_85_1_a4/ LA - en ID - IM2_2021_85_1_a4 ER -