TY  - JOUR
AU  - G. I. Olshanskii
TI  - Extension of the algebra $\mathscr{U}(\mathfrak{g})$ for infinite-dimensional classical Lie algebras $\mathfrak{g}$ and 

JO  - Doklady Akademii Nauk
PY  - 1987
SP  - 1050
EP  - 1054
VL  - 297
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1987_297_5_a5/
LA  - ru
ID  - DAN_1987_297_5_a5
ER  -