%0 Journal Article %A E. A. Derkunova %T On some singular perturbed system of three equations in partial derivatives of the first order %J Vestnik Ûžno-Uralʹskogo gosudarstvennogo universiteta. Seriâ, Matematika, mehanika, fizika %D 2012 %P 153-156 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/VYURM_2012_7_a22/ %G ru %F VYURM_2012_7_a22