TY  - JOUR
AU  - K. Wiśniewski
TI  - On functions without fixed points
JO  - Commentationes Mathematicae
PY  - 1973
SP  -  227
EP  - 228
VL  - 17
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.14708/cm.v17i1.5766/
DO  - 10.14708/cm.v17i1.5766
LA  - pl
ID  - 10_14708_cm_v17i1_5766
ER  -