%0 Journal Article %A V. M. Borok %A Ya. I. Zhitomirskii %T Stability of the correctness classes for the Cauchy problem for an equation correct in the sense of Petrovskii %J Doklady Akademii Nauk %D 1966 %P 495-498 %V 167 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1966_167_3_a0/ %G ru %F DAN_1966_167_3_a0