%0 Journal Article
%A V. Ya. Ivrii
%T Correctness in Gevrey classes of the Cauchy problem for certain nonstrictly hyperbolic operators
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1978
%P 26-35
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1978_2_a3/
%G ru
%F IVM_1978_2_a3