Cattani, C. (2019) “Consideration of Reaction Forces of Holonomic Constraints as Generalized Coordinates in Approximate Determination of Lower Frequencies of Elastic Systems”, Technische Mechanik - European Journal of Engineering Mechanics, 28(2), pp. 126–139. Available at: https://journals.ub.ovgu.de/index.php/techmech/article/view/833 (Accessed: 3 May 2024).