KOTŠMÍD, Stanislav et al. Methodology for the computation of critical buckling force at steel tubes with flattened ends. In Proceedings of TEAM 2015 : 7th International scientific and expert conference of the International TEAM Society [elektronický zdroj]. - Belgrade : Faculty of Mechanical Engineering, University of Belgrade, 2015. ISBN 978-86-7083-877-2, p. 107-109 [CD-ROM]. KEGA 019TU Z-4/2015.