TY  - JOUR
AU  - A. N. Kochubei
TI  - The differentiation operator on subsets of the field of $p$-adic numbers
JO  - Izvestiya. Mathematics 
PY  - 1993
SP  - 289
EP  - 305
VL  - 41
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM2_1993_41_2_a5/
LA  - en
ID  - IM2_1993_41_2_a5
ER  -