TY  - JOUR
AU  - A. M. Lukatskii
TI  - Curvature of groups of diffeomorphisms preserving the measure of the $2$-sphere
JO  - Funkcionalʹnyj analiz i ego priloženiâ
PY  - 1979
SP  - 23
EP  - 27
VL  - 13
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FAA_1979_13_3_a2/
LA  - ru
ID  - FAA_1979_13_3_a2
ER  -