@article{AFM_2008_33_1_a0, author = {Mark Elin and David Shoikhet and Zalcman Lawrence}, title = {A flower structure of backward flow invariant domains for semigroups}, journal = {Annales Fennici Mathematici}, pages = {3--34}, publisher = {mathdoc}, volume = {33}, number = {1}, year = {2008}, language = {en}, url = {http://geodesic.mathdoc.fr/item/AFM_2008_33_1_a0/} }