TY  - JOUR
AU  - Donald J. Collins
TI  - Cohomological dimension and symmetric automorphisms of a free group.
JO  - Commentarii mathematici Helvetici
PY  - 1989
SP  - 44
EP  - 61
VL  - 64
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMH_1989__64_1_140142/
ID  - CMH_1989__64_1_140142
ER  -