%0 Journal Article %A A. A. Khasanov %T On the asymptotics of the solution of a two-parameter singularly perturbed problem in the critical case %J Doklady Akademii Nauk %D 1979 %P 559-562 %V 249 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1979_249_3_a10/ %G ru %F DAN_1979_249_3_a10