J. Cadil, K. Vltavska, I. Krejčí, and D. Hartman, “AGGREGATE PRODUCTION FUNCTION AND INCOME IDENTITY– EMPIRICAL ANALYSIS”, Int. J. Econ. Sci., vol. 6, no. 1, pp. 1–17, May 2017, doi: 10.20472/ES.2017.6.1.001.