TY  - JOUR
AU  - Milan Tasković
TI  - Every Set Has at Least Three Choice Functions
JO  - Mathematica Moravica
PY  - 2009
SP  - 103 
EP  -  116
VL  - 13
IS  - 2
PB  - mathdoc
UR  - https://geodesic-test.mathdoc.fr/item/MM3_2009_13_2_a4/
ID  - MM3_2009_13_2_a4
ER  -