TY  - JOUR
AU  - Hadžić 

 Olga
TI  - A theorem on best 

 approximations and applications
JO  - Novi Sad Journal of Mathematics
PY  - 1992
SP  - 47
EP  - 55
VL  - 22
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/NSJOM_1992_22_2a_4/
ID  - NSJOM_1992_22_2a_4
ER  -