TY  - JOUR
AU  - Comerford, Jonell A.
AU  - Lee, Y.
TI  - Product of Two Commutators as a Square in a Free Group
JO  - Canadian mathematical bulletin
PY  - 1990
SP  - 190
EP  - 196
VL  - 33
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1990-032-4/
DO  - 10.4153/CMB-1990-032-4
ID  - 10_4153_CMB_1990_032_4
ER  -