%0 Journal Article
%A S. N. Samborskiǐ
%A M. A. Fel'dman
%T Connected systems of partial differential equations (initial-boundary value problems and propagation of singularities)
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1987
%P 14-23
%N 10
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1987_10_a3/
%G ru
%F IVM_1987_10_a3