TY  - JOUR
AU  - Paul Gartside
AU  - Bojana Pejić
TI  - The complexity of the set of squares in the
 homeomorphism group of the circle
JO  - Fundamenta Mathematicae
PY  - 2007
SP  - 125
EP  - 134
VL  - 195
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm195-2-2/
DO  - 10.4064/fm195-2-2
LA  - en
ID  - 10_4064_fm195_2_2
ER  -