%0 Journal Article %A Anatoliy P. Petravchuk %A Oleksandr G. Iena %T On Centralizers of Elements in the Lie Algebra of the Special Cremona Group SA2(k) %J Journal of Lie Theory %D 2006 %P 561-567 %V 16 %N 3 %U http://geodesic.mathdoc.fr/item/JOLT_2006_16_3_a7/ %F JOLT_2006_16_3_a7