J. Zaja̧czkowski

Stability of transverse vibration of a circular plate subjected to a periodically varying torque

J. Zaja̧czkowski, 1983 .

Instability of the motion of a beam of periodically varying length

J. Zaja̧czkowski, J. Zajączkowski, J. Lipiński, 1979 .

Further results on instability of the motion of a beam of periodically varying length

Gen Yamada, J. Zaja̧czkowski, 1980 .