REPOVŠ, Dušan in ZAICEV, Mikhail, 2015, Numerical invariants of identities of unital algebras. Communications in algebra [na spletu]. 2015. Vol. 43, no. 9, p. 3823–3839. [Dostopano 8 april 2025]. DOI http://dx.doi.org/10.1080/00927872.2014.924130. Pridobljeno s: https://repozitorij.uni-lj.si/IzpisGradiva.php?lang=slv&id=111407