TY  - JOUR
AU  - Paul F. X. Müller
TI  - A simplification in the proof of the non-isomorphism
 between $H^1(\delta )$ and $H^1(\delta ^2)$
JO  - Studia Mathematica
PY  - 2002
SP  - 13
EP  - 16
VL  - 150
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/sm150-1-2/
DO  - 10.4064/sm150-1-2
LA  - en
ID  - 10_4064_sm150_1_2
ER  -