TY  - JOUR
AU  - C. Vizman 
TI  - Central Extensions of Coverings of Symplectomorphism Groups
JO  - Journal of Lie theory
PY  - 2009
SP  - 237
EP  - 249
VL  - 19
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JLT_2009_19_2_JLT_2009_19_2_a3/
ID  - JLT_2009_19_2_JLT_2009_19_2_a3
ER  -