TY  - JOUR
AU  - M. M. Malamud
TI  - Perturbations of a fractional integration operator
JO  - Funkcionalʹnyj analiz i ego priloženiâ
PY  - 1979
SP  - 85
EP  - 86
VL  - 13
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FAA_1979_13_2_a11/
LA  - ru
ID  - FAA_1979_13_2_a11
ER  -