References
- [1] Caughey T. K., O'Kelly M. E. J.(1963), General theory of vibration of damped linear dynamic systems, California Institute of Technology.
- [2] Clough R., Penzien J. (1975). Dynamics of structures. Prentice Hall, Englewood Cliffs.
- [3] Faddeev D. K., Faddeeva V. N. (1960). Vychisliltelnye metodî lineinoy alghebrî. GIFML, Moscow.
- [4] Knopp K.(1930). Funktionentheorie. Goeschen, Heidelberg.
- [5] O'Kelly M. E. J. (1964). Vibration of viscously damped linear dynamic systems. Thesis, California Institute of Technology.
- [6] Reiner M. (1964). Reologhia, GIFML, Moscow.
- [7] Sandi H. (1970). Eigenwertaufgaben und Übertragungsmatrizen für nichtkonservative mechanische Systeme. ZAMM, 5.10.1002/zamm.19700500514
- [8] Sandi H. (1983). Elemente de dinamica structurilor. Editura Tehnică, Bucuresti.
- [9] Van der Pol. B., Bremmer H. (1950). Operational calculus based on the two – sided Laplace transform. Oxford.
- [10] Wilkinson J. H. (1965). The algebraic eigenvalue problem. Oxford Univ. Press.