TY  - JOUR
AU  - John I.E. Urbas
TI  - On the expansion of starshaped hypersurfaces by symmetric functions of their principal curvatures.
JO  - Mathematische Zeitschrift
PY  - 1990
SP  - 355
EP  - 372
VL  - 205
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1990__205_3_174181/
ID  - MZ_1990__205_3_174181
ER  -