TY  - JOUR
AU  - Jolanta Olko
TI  - Concave iteration semigroups of linear set-valued functions
JO  - Annales Polonici Mathematici
PY  - 1999
SP  - 31
EP  - 38
VL  - 71
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/ap-71-1-31-38/
DO  - 10.4064/ap-71-1-31-38
LA  - en
ID  - 10_4064_ap_71_1_31_38
ER  -