TY  - JOUR
AU  - H.L. ROYDEN
TI  - The Analytic Approximation of Differentiable Mappings.
JO  - Mathematische Annalen
PY  - 1959
SP  - 171
EP  - 179
VL  - 139
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MAN_1959__139_160742/
ID  - MAN_1959__139_160742
ER  -