TY  - JOUR
AU  - W. Herfort
AU  - P. Zalesskii
TI  - Finitely Generated pro-2 Groups with a free subgroup of Index 2.
JO  - Manuscripta mathematica
PY  - 1997
SP  - 457
EP  - 464
VL  - 93
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MM2_1997__93_4_156313/
ID  - MM2_1997__93_4_156313
ER  -