Bhushan, B., G. S. Sandhu, and D. Kumar. “Centrally-Extended Generalized Jordan Derivations in Rings”. Annales Universitatis Paedagogicae Cracoviensis Studia Mathematica, vol. 22, May 2023, pp. 33-47, https://studmath.uken.krakow.pl/article/view/10334.