TY  - JOUR
AU  - Yu. A. Brudnyi
AU  - P. A. Shvartsman
TI  - Extension of functions with preservation of smoothness
JO  - Informatics and Automation
PY  - 1987
SP  - 60
EP  - 61
VL  - 180
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TRSPY_1987_180_a28/
LA  - ru
ID  - TRSPY_1987_180_a28
ER  -