%0 Journal Article
%A A. A. Orel
%T The application of variational methods to the solution of boundary value problems for equations of mixed type in transonic gas dynamics
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1972
%P 76-83
%N 9
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1972_9_a10/
%G ru
%F IVM_1972_9_a10