TY  - JOUR
AU  - Jaime Lesmes
TI  - On the approximation of continuosly diffentialble functions in  Hilbert spaces
JO  - Revista colombiana de matematicas
PY  - 1974
SP  - 217
EP  - 224
VL  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RCM_1974__8_181626/
ID  - RCM_1974__8_181626
ER  -