%0 Journal Article %A A. B. Vasil'eva %T Internal layer in a boundary value problem for a system of two singularly perturbed second-order equations with the same order of singularity %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 2001 %P 1067-1077 %V 41 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_2001_41_7_a5/ %G ru %F ZVMMF_2001_41_7_a5