TY  - JOUR
AU  - L. I. Kamynin
TI  - A theorem on the interior derivative for a second-order uniformly
JO  - Doklady Akademii Nauk
PY  - 1988
SP  - 280
EP  - 283
VL  - 299
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1988_299_2_a4/
LA  - ru
ID  - DAN_1988_299_2_a4
ER  -