%0 Journal Article
%A V. I. Uskov
%T Singular perturbations in first-order partial differential equations with matrix-differential operators
%J Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory
%D 2019
%P 132-139
%V 173
%I mathdoc
%U http://geodesic.mathdoc.fr/item/INTO_2019_173_a10/
%G ru
%F INTO_2019_173_a10