Ivanov, G. E., Juschkov, M. P. and Soltachanov, S. C. (2019) “Zum Problem der Aufgabe von Appell-Hamel”, Technische Mechanik - European Journal of Engineering Mechanics, 21(1), pp. 41–45. Available at: https://journals.ub.ovgu.de/index.php/techmech/article/view/1044 (Accessed: 30 April 2024).