TY  - JOUR
AU  - V. F. Butuzov
TI  - A certain integro-differential equation with a small parameter multiplying the derivative in the case when the degenerate equation occurs in the spectrum
JO  - Differencialʹnye uravneniâ
PY  - 1971
SP  - 919
EP  - 922
VL  - 7
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1971_7_5_a13/
LA  - ru
ID  - DE_1971_7_5_a13
ER  -