TY  - JOUR
AU  - T. Kilpeläinen
TI  - Convex increasing functions preserve the sub-F-extremality
JO  - Annales Fennici Mathematici
PY  - 1987
SP  - 55
EP  - 60
VL  - 12
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1987.1216/
DO  - 10.5186/aasfm.1987.1216
LA  - en
ID  - AFM_1987_12_1_a5
ER  -