@article{JLT_2006_16_3_JLT_2006_16_3_a7,
     author = {A. P. Petravchuk and O. G. Iena },
     title = {On {Centralizers} of {Elements} in the {Lie} {Algebra} of the {Special} {Cremona} {Group} {SA\protect\textsubscript{2}(k)}},
     journal = {Journal of Lie theory},
     pages = {561--567},
     publisher = {mathdoc},
     volume = {16},
     number = {3},
     year = {2006},
     url = {http://geodesic.mathdoc.fr/item/JLT_2006_16_3_JLT_2006_16_3_a7/}
}