Media type: E-Article Title: On the stability of the equilibrium of a linear mechanical system Contributor: Bottema, Oene Published: Springer Science and Business Media LLC, 1955 Published in: Zeitschrift für angewandte Mathematik und Physik ZAMP, 6 (1955) 2, Seite 97-104 Language: English DOI: 10.1007/bf01607296 ISSN: 0044-2275; 1420-9039 Origination: Footnote: