TY  - JOUR
AU  - J. Gonzalo
AU  - F. Varela
TI  - Some Surfaces that are Distinguishable by the Global Expression of Their Volume Elements.
JO  - Mathematische Annalen
PY  - 1984
SP  - 199
EP  - 212
VL  - 267
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MAN_1984__267_163889/
ID  - MAN_1984__267_163889
ER  -