[1] S. Woinowsky-Krieger:
The effect of an axial force on the vibration of hinged bars. Journ. of Appl. Mech., 17 (1950), p. 35-36.
MR 0034202 |
Zbl 0036.13302
[2] J. G. Eisley:
Nonlinear vibration of beams and rectangular plates. ZAMP, 15 (1964), p. 167-175.
MR 0175375 |
Zbl 0133.19101
[3] J. M. Ball:
Initial-boundary value problems for an extensible beam. Journ. of Math. Anal. Appl. 42(1973), p. 61-90.
MR 0319440 |
Zbl 0254.73042
[4] J. M. Ball:
Stability theory for an extensible beam. Journ. of Diff. Eq. 14 (1973), p. 399-418.
MR 0331921 |
Zbl 0247.73054
[5] R. van Dooren: Two mode sub-harmonic vibrations of order 1 /9 of a nonlinear beam forced by a two mode harmonic load. Journ. of Sound and Vibr. 41 (2), (1975), p. 133-142.
[6] R. van Dooren R. Bouc: Two mode sub-harmonic and harmonic vibrations of a nonlinear beam forced by a two mode harmonic load. Int. J. Non-Linear Mech., 10, (1975) p. 271-280.
[7] N. Krylová O. Vejvoda:
A linear and weakly nonlinear equation of a beam. Czech. Math. J. vol. 21 (95), (1971), p. 535-566.
MR 0289918
[8] S. Fučík V. Lovicar:
Periodic solutions of the equation $x''(t) + g(x(t)) = p(t)$. Čas. pro pěst. mat., roč. 100 (1975), 160-175.
MR 0385239
[9] V. Lovicar: Periodic solutions of nonlinear abstract second order equations with a dissipative term. (to appear).