%0 Journal Article %A M. M. Lavrent'ev %A A. Kh. Amirov %T An investigation of the conditional correctness of the Cauchy problem for an equation of evolution type %J Doklady Akademii Nauk %D 1976 %P 1053-1055 %V 227 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1976_227_5_a5/ %G ru %F DAN_1976_227_5_a5