TY  - JOUR
AU  - C. Alsina
AU  - J.L. Garcia-Roig
TI  - On continuous preservation of norms and areas.
JO  - Aequationes mathematicae
PY  - 1989
SP  - 211
EP  - 215
VL  - 38
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AM2_1989__38_1_137328/
ID  - AM2_1989__38_1_137328
ER  -