TY  - JOUR
AU  - Filali, M.
AU  - Monfared, M. Sangani
TI  - A Cohomological Property of π-invariant Elements
JO  - Canadian mathematical bulletin
PY  - 2013
SP  - 534
EP  - 543
VL  - 56
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-2011-184-7/
DO  - 10.4153/CMB-2011-184-7
ID  - 10_4153_CMB_2011_184_7
ER  -