%0 Journal Article
%A A. M. Ezhov
%A S. P. Pul'kin
%T Estimation of the solution of the Tricomi problem for a certain class of equations of mixed type
%J Doklady Akademii Nauk
%D 1970
%P 978-980
%V 193
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1970_193_5_a3/
%G ru
%F DAN_1970_193_5_a3