TY  - JOUR
AU  - N. Ya. Krupnik
TI  - A quasi-nilpotency condition for integral operators. Perturbation of operators of local type
JO  - Doklady Akademii Nauk
PY  - 1977
SP  - 754
EP  - 757
VL  - 234
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1977_234_4_a5/
LA  - ru
ID  - DAN_1977_234_4_a5
ER  -