@misc{Kosi-Ulbl_Irena_On, author={Kosi-Ulbl, Irena}, howpublished={online}, publisher={Wydawnictwo Uniwersytetu Śląskiego}, publisher={De Gruyter Open}, language={eng}, type={czasopismo}, title={On a Functional Equation Related to Two-Sided Centralizers}, keywords={prime rings, semiprime rings, Banach space, standard operator algebra, left (right) centralizer, left (right) Jordan centralizer, two-sided centralizer}, }