%0 Journal Article %A Zh. A. Balkizov %T On a priori estimates of solutions of the Tricomi problem for a certain mixed-type second-order equation %J Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory %D 2019 %P 14-20 %V 167 %I mathdoc %U http://geodesic.mathdoc.fr/item/INTO_2019_167_a1/ %G ru %F INTO_2019_167_a1