TY  - JOUR
AU  - V. V. Shan'kov
TI  - An averaging operator with variable radius and an inverse theorem
JO  - Doklady Akademii Nauk
PY  - 1983
SP  - 307
EP  - 309
VL  - 273
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1983_273_2_a9/
LA  - ru
ID  - DAN_1983_273_2_a9
ER  -