TY  - JOUR
AU  - D. Degrijse 
TI  - On a Filtration of the Second Cohomology of Nilpotent Lie Algebras
JO  - Journal of Lie theory
PY  - 2013
SP  - 551
EP  - 573
VL  - 23
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JLT_2013_23_2_JLT_2013_23_2_a9/
ID  - JLT_2013_23_2_JLT_2013_23_2_a9
ER  -