TY  - JOUR
AU  - O. A. Gavrilova
TI  - The infinitely differentiable extension of systems of functions
JO  - Matematičeskie zametki
PY  - 1971
SP  - 723
EP  - 734
VL  - 9
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1971_9_6_a13/
LA  - ru
ID  - MZM_1971_9_6_a13
ER  -