TY  - JOUR
AU  - W.G. BROWN
TI  - On the Existence of Square Roots in certain Rings of Power Series.
JO  - Mathematische Annalen
PY  - 1965
SP  - 82
EP  - 89
VL  - 158
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MAN_1965__158_161257/
ID  - MAN_1965__158_161257
ER  -