TY  - JOUR
AU  - G. E. Ivanov
TI  - On Well Posed Best Approximation Problems for a Nonsymmetric Seminorm
JO  - Journal of convex analysis
PY  - 2013
SP  - 501
EP  - 529
VL  - 20
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JCA_2013_20_2_JCA_2013_20_2_a11/
ID  - JCA_2013_20_2_JCA_2013_20_2_a11
ER  -