TY  - JOUR
AU  - N. M. Nam
AU  - N. Hoang
TI  - A Generalized Sylvester Problem and a Generalized Fermat-Torricelli Problem
JO  - Journal of convex analysis
PY  - 2013
SP  - 669
EP  - 687
VL  - 20
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JCA_2013_20_3_JCA_2013_20_3_a3/
ID  - JCA_2013_20_3_JCA_2013_20_3_a3
ER  -