%0 Journal Article %A O. I. Kirpikova %A N. A. Rashchepkina %T Asymptotic integration of a~singularly perturbed problem in the case of a~multiple spectrum with violation of stability conditions %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1993 %P 74-78 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1993_6_a13/ %G ru %F IVM_1993_6_a13