TY  - JOUR
AU  - Helga Schirmer
TI  - Fix-finite and fixed point free approximations of symmetric product maps
JO  - Fundamenta Mathematicae
PY  - 1987
SP  - 7
EP  - 13
VL  - 128
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm-128-1-7-13/
DO  - 10.4064/fm-128-1-7-13
LA  - en
ID  - 10_4064_fm_128_1_7_13
ER  -