TY  - JOUR
AU  - G. L. Kramer
TI  - The equivalence of differential and perturbed-differential operators in the space of analytic functions of several variables in multi-circular regions
JO  - Matematičeskie zametki
PY  - 1967
SP  - 565
EP  - 574
VL  - 1
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1967_1_5_a8/
LA  - ru
ID  - MZM_1967_1_5_a8
ER  -