“…It must be said, however, that their contributions have not been forgotten completely. In recent years, references to their publications can be found both in the literature on macroeconomic dynamics (see, e.g., Bambi, 2008;Ercolani, 2014;Murakami, 2017;Özbay, Sağlam and Yüksel, 2017) and in the literature on the history of mathematical economics (e.g., Boumans, 2005;Besomi, 2006).…”