@article{00751340, title = {Maximal Ol'shanski\u\i\ semigroups.}, journal = {Journal of Lie Theory}, volume = {4}, year = {1994}, pages = {17-29}, zbl = {0824.22012}, language = {en}, url = {http://dml.mathdoc.fr/item/00751340} }
Lawson, J.D. Maximal Ol'shanskiĭ semigroups.. Journal of Lie Theory, Tome 4 (1994) pp. 17-29. http://gdmltest.u-ga.fr/item/00751340/