TY  - JOUR
AU  - A. B. Vasil'eva
AU  - M. V. Faminskaya
TI  - A boundary value problem for singularly perturbed differential and difference systems when the unperturbed system lies on the spectrum
JO  - Differencialʹnye uravneniâ
PY  - 1977
SP  - 738
EP  - 742
VL  - 13
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1977_13_4_a18/
LA  - ru
ID  - DE_1977_13_4_a18
ER  -