Earlier philologists have demonstrated this feature as an example of epical romantic heroes.
K N Ankudinov 2016, 'ZERO DETERMINATION AS A FEATURE OF ROMANTIC HERO(for example a poem “The song of adeadness shipper” by A.L. Polezhaev)', RUDN Journal of Studies in Literature and Journalismhttp://journals.rudn.ru/literary-criticism/article/view/13289. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In epical-heroic profile, they were not considered as great heroes, but as "lousy army", and frequently, as unfaithful.
Konjik Ivana 2006, 'Traditional perception of Greeks in Serbian oral tradition', Glasnik Etnografskog Instituta SANUhttp://www.doiserbia.nb.rs/img/doi/0350-0861/2006/0350-08610654057K.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)