%0 Journal Article %A V. F. Butuzov %A V. Yu. Buchnev %T The asymptotic behaviour of the solution of a singularly perturbed two-dimensional problem of the %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1991 %P 533-542 %V 31 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1991_31_4_a4/ %G ru %F ZVMMF_1991_31_4_a4